knock

英 [nɒk] 美 [nɑːk]

v.  敲; 击; (常为无意地)碰,撞; 把…撞击成(某种状态)
n.  敲击声; 敲门(或窗等)声; 捶击; 敲击; 撞击

过去式:knocked过去分词:knocked现在分词:knocking复数:knocks第三人称单数:knocks

中考高考CET4考研

Oxford 3000 / Collins.3 / BNC.1958 / COCA.2087



牛津词典

verb

    门窗 at door/window

  1. 敲;击
    to hit a door, etc. firmly in order to attract attention
    1. He knocked three times and waited.
      他敲了三下门就等着。
    2. Somebody was knocking on the window.
      有人在敲窗户。
  2. 击 hit

  3. (常为无意地)碰,撞
    to hit sth, often by accident, with a short, hard blow
    1. Be careful you don't knock your head on this low beam.
      小心,别把头撞在这矮梁上。
    2. Her hand knocked against the glass.
      她的手碰了玻璃杯。
  4. 把…撞击成(某种状态)
    to put sb/sth into a particular state by hitting them/it
    1. The blow knocked me flat.
      那一拳把我打倒在地。
    2. He was knocked senseless by the blow.
      他被一拳打得不省人事。
    3. She knocked my drink flying.
      她把我的饮料打翻了。
    4. The two rooms had been knocked into one (= the wall between them had been knocked down) .
      那两间屋子打通了,成为一间屋。
  5. 打掉;敲动;打破
    to hit sth so that it moves or breaks
    1. He'd knocked over a glass of water.
      他打翻了一杯水。
    2. I knocked the nail into the wall.
      我把钉子钉进墙里。
    3. They had to knock the door down to get in.
      他们不得不破门而入。
    4. The boys were knocking (= kicking) a ball around in the back yard.
      男孩们在后院踢球玩儿。
    5. The criticism had knocked (= damaged) her self-esteem.
      这一批评伤了她的自尊心。
  6. 打,凿(洞)
    to make a hole in sth by hitting it hard
    1. They managed to knock a hole in the wall.
      他们设法在墙上凿了个洞。
  7. 心;膝盖 of heart/knees

  8. (心)怦怦跳;(膝盖)打哆嗦
    if your heart knocks , it beats hard; if your knees knock , they shake, for example from fear
    1. My heart was knocking wildly.
      我的心怦怦直跳。
  9. 发动机;管子 of engine/pipes

  10. (尤指因故障)发碰撞声,嘭嘭作响
    to make a regular sound of metal hitting metal, especially because there is sth wrong
    1. 批评 criticize

    2. (不公平地)批评;贬责;挑剔;非难
      to criticize sb/sth, especially when it happens unfairly
      1. The newspapers are always knocking the England team.
        报纸总是攻击英格兰队。
      2. ‘Plastics?’ ‘ Don't knock it ─there's a great future in plastics.’
        “塑料?”“别说它不好——塑料的前景大着呢。”

    noun

      门窗 at door/window

    1. 敲击声;敲门(或窗等)声
      the sound of sb hitting a door, window, etc. with their hand or with sth hard to attract attention
      1. There was a knock on/at the door.
        有敲门声。
    2. 击 hit

    3. 捶击;敲击;撞击
      a sharp blow from sth hard
      1. He got a nasty knock on the head.
        他头部遭到重重一击。

    柯林斯词典

    1. VERB 敲;击
      If you knock on something such as a door or window, you hit it, usually several times, to attract someone's attention.
      1. She went directly to Simon's apartment and knocked on the door...
        她直奔西蒙的房间,敲了敲门。
      2. Knock at my window at eight o'clock and I'll be ready...
        8点钟敲我的窗,我会准备好的。
      3. He knocked before going in.
        他进去前先敲了敲门。
      4. Knock is also a noun.
      5. They heard a knock at the front door.
        他们听到前门有人敲门。
    2. VERB 碰,撞;(尤指)碰倒,撞倒,敲动
      If you knock something, you touch or hit it roughly, especially so that it falls or moves.
      1. She accidentally knocked the tea tin off the shelf...
        她不小心把架子上的茶叶罐碰了下来。
      2. The baby was knocked from his father's arms...
        婴儿被从他父亲的怀中撞落。
      3. Isabel rose so abruptly that she knocked down her chair...
        伊莎贝尔起得太急了,以致碰倒了她坐的椅子。
      4. Buckets of roses had been knocked over.
        一桶桶的玫瑰被撞翻在地。
      5. Knock is also a noun.
      6. The bags have tough exterior materials to protect against knocks, rain and dust.
        这些包的面料非常结实耐用,可以防撞、防雨并防尘。
    3. VERB 打通(房间或建筑)
      If someone knocks two rooms or buildings into one, or knocks them together, they make them form one room or building by removing a wall.
      1. They decided to knock the two rooms into one...
        他们决定把两间屋子打通连成一间。
      2. The spacious kitchen was achieved by knocking together three small rooms.
        这个宽敞的厨房是由3个小屋子打通连成的。
    4. VERB 把…撞击到(某个位置);把…打成(某种状态)
      To knock someone into a particular position or condition means to hit them very hard so that they fall over or become unconscious.
      1. The third wave was so strong it knocked me backwards...
        第3波浪太大了,把我打了回去。
      2. They were knocked to the ground and robbed of their wallets...
        他们被打倒在地并被抢走了钱包。
      3. Someone had knocked him unconscious.
        有人把他打昏了。
    5. VERB 使失去(某种品质或特征)
      To knock a particular quality or characteristic out of someone means to make them lose it.
      1. The stories of his links with the actress had knocked the fun out of him...
        有关他与那位女演员有关系的传闻使他很不开心。
      2. When they first joined for training many were starry eyed about just sailing around the world. We soon knocked that out of them...
        在他们参加培训之初,很多人还只是对环球航行抱有天真的想法。我们很快便使他们消除了那种想法。
      3. Those people hurt me and knocked my confidence.
        那些人既伤害了我的身体又打击了我的自信心。
    6. VERB 发碰撞声;砰砰作响
      If something knocks, it makes a repeated sharp banging noise.
      1. His old truck, knocking and smoking, pulled down the road and out of sight.
        他那辆旧卡车一边冒着烟一边哐里哐啷地沿路向前驶去,直到驶出了视线。
    7. VERB 批评;贬责;挑剔;非难
      If you knock something or someone, you criticize them and say unpleasant things about them.
      1. I'm not knocking them: if they want to do it, it's up to them...
        我不是批评他们:想不想做那件事取决于他们。
      2. Never knock charter flights; they are opening up the world for budget-conscious travellers.
        绝不要挑剔包机航班;他们使精打细算的乘客能够去往世界各地。
    8. N-COUNT 打击
      If someone receives a knock, they have an unpleasant experience which prevents them from achieving something or which causes them to change their attitudes or plans.
      1. What they said was a real knock to my self-confidence...
        他们的话是对我自信心的一次重大打击。
      2. The art market has suffered some severe knocks during the past two years.
        在过去的两年间,艺术品市场遭受了严重的打击。
    9. PHRASE (尤指以相貌)给…留下深刻印象,使…倾倒
      To knock them dead means to impress people a great deal, especially with your appearance.
      1. Glamorous make-up is best reserved for days when you want to go all out to knock 'em dead.
        魅惑彩妆最好留到你竭力想把所有人都迷倒的时候。
    10. PHRASE 停止干扰;打住
      If you tell someone to knock it off, you are telling them to stop doing something that is annoying you.
      1. Will you just knock it off!
        别闹了!
    11. to knock peoples' heads together → see: head

    双语例句

    1. They came into the front hall, stamping their boots and jumping up and down to knock the snow off
      他们进入了前厅,跺着靴子,蹦跳着抖掉身上的雪。
    2. She went directly to Simon's apartment and knocked on the door
      她直奔西蒙的房间,敲了敲门。
    3. Knock at my window at eight o'clock and I'll be ready
      8点钟敲我的窗,我会准备好的。
    4. He knocked before going in.
      他进去前先敲了敲门。
    5. She accidentally knocked the tea tin off the shelf
      她不小心把架子上的茶叶罐碰了下来。
    6. The baby was knocked from his father's arms
      婴儿被从他父亲的怀中撞落。
    7. Isabel rose so abruptly that she knocked down her chair
      伊莎贝尔起得太急了,以致碰倒了她坐的椅子。
    8. Buckets of roses had been knocked over.
      一桶桶的玫瑰被撞翻在地。
    9. They decided to knock the two rooms into one
      他们决定把两间屋子打通连成一间。
    10. The spacious kitchen was achieved by knocking together three small rooms.
      这个宽敞的厨房是由3个小屋子打通连成的。
    11. The third wave was so strong it knocked me backwards
      第3波浪太大了,把我打了回去。
    12. They were knocked to the ground and robbed of their wallets
      他们被打倒在地并被抢走了钱包。
    13. Someone had knocked him unconscious.
      有人把他打昏了。
    14. The stories of his links with the actress had knocked the fun out of him
      有关他与那位女演员有关系的传闻使他很不开心。
    15. Those people hurt me and knocked my confidence.
      那些人既伤害了我的身体又打击了我的自信心。
    16. His old truck, knocking and smoking, pulled down the road and out of sight.
      他那辆旧卡车一边冒着烟一边哐里哐啷地沿路向前驶去,直到驶出了视线。
    17. I'm not knocking them: if they want to do it, it's up to them
      我不是批评他们:想不想做那件事取决于他们。
    18. Never knock charter flights; they are opening up the world for budget-conscious travellers.
      绝不要挑剔包机航班;他们使精打细算的乘客能够去往世界各地。
    19. What they said was a real knock to my self-confidence
      他们的话是对我自信心的一次重大打击。
    20. The art market has suffered some severe knocks during the past two years.
      在过去的两年间,艺术品市场遭受了严重的打击。
    21. Glamorous make-up is best reserved for days when you want to go all out to knock 'em dead.
      魅惑彩妆最好留到你竭力想把所有人都迷倒的时候。
    22. Will you just knock it off!
      别闹了!
    23. If I get this report finished I'll knock off early
      如果我写完这篇报告,我就会早点下班。
    24. Any water-skiing enthusiast can knock up a pair of skis in a few hours.
      任何一个滑水爱好者都能在几小时内做成一副滑水橇。
    25. There was a light knock at the door.
      有人在轻轻地敲门。
    26. There had been a knock at the door and when she opened it she locked herself out
      外面有敲门声,她去开门,结果把自己反锁在了外面。
    27. To his relief a loud knock on the door spared him from giving an explanation
      一声重重的敲门声让他松了一口气,他可以不用解释了。
    28. Look out! Don't knock the stool over.
      哎,别把凳子碰倒了!
    29. It's time to knock off.
      该收工了。
    30. Can you knock this nail into the wood?
      你能把这钉子敲进木头里去吗?

    同义词辨析

      strike beat hit knock【导航词义:击打】

      strike v. 打,击

    〔辨析〕较正式用词,指迅速或突然地用力一击或敲击,可以是有意的,也可以是无意的。

    〔例证〕
    Who struck the first blow?
    谁先动手的?
    He struck the boy with his stick.
    他用手杖打了那个男孩。
    The hammers strike the piano strings and make them vibrate.
    音锤敲击钢琴琴弦并使之震动。
    The huge clock at the Customs House strikes the hours.
    海关大钟报时。

      beat v. 连续击打,击败

    〔辨析〕普通用词,指用手或器械连续击打,也指在游戏、竞赛或战争中战胜对手。

    〔例证〕
    The poor child was beaten black and blue.
    那可怜的孩子被打得青一块紫一块的。
    They were frequently cursed and beaten by the employer.
    他们常被雇主打骂。
    Jack beat Jobe to win the game.
    杰克在游戏中战胜了乔布。
    The home team beat the visiting team by a large score.
    主队以大比分打败了客队。

      hit v. 打,打击

    〔辨析〕普通用词,指有目标地猛击,强调用力击中;引申指在精神、经济等方面予以打击。

    〔例证〕
    The missile hit the carrier.
    导弹击中了航空母舰。
    The brick hit him in the head.
    砖块击中了他的头部。
    The economic recession hit the family hard.
    经济衰退使这家人遭到重创。

      knock v. 敲,击,打

    〔辨析〕指用拳头或器械猛敲、猛打,强调非常用力。

    〔例证〕
    The attacker knocked her to the ground and kicked her hard.
    袭击者把她打倒在地并狠狠地踢她。
    Somebody is knocking on the door.
    有人在敲门。
    I wish you wouldn't knock at the table again.
    我希望你不要再敲桌子了。

      tap knock rap【导航词义:敲打】

      tap v. 轻拍,轻敲

    〔辨析〕指用手指等轻叩、轻拍或轻敲,意在引人注意,或表示爱抚等情感。

    〔例证〕
    He tapped me on the back.
    他轻轻地拍了拍我的后背。
    She tapped the table with her fingers.
    她用手指敲打桌子。
    He tapped his forehead knowingly.
    他会心地拍了拍前额。

      knock v. 敲击,敲打

    〔辨析〕指用手掌、拳头或硬物用力敲打,以引起他人的注意或重视。

    〔例证〕
    Please knock before you enter.
    进来前请先敲门。
    He wondered whether it would be proper to knock at her door.
    他不知道敲她的门是否恰当。
    I heard him knock his pipe out on the mantelpiece.
    我听见他在壁炉架上磕打烟斗。

      rap v. 轻敲,拍击

    〔辨析〕指用指关节、笔等快速轻敲或急拍,意在引人注意或表示某种情感。

    〔例证〕
    The chairman rapped on the table for order.
    主席敲桌子要求听众安静。
    Angrily, she rapped on his window.
    她生气地敲他的窗户。
    He would rap his fingers on the desk when he had difficulty working out a math problem.
    他做数学题遇到困难时总是要敲书桌。

    短语动词

    knock about knock around

    1. 接连打(或踢)  2. 闲逛;漫游;漂泊;游荡  3. 在场;存在  4. 常与某人交往(或作伴)  

    knock back

    1. 快速喝掉,豪饮(尤指酒)  2. 阻止,妨碍  

    knock down

    1. (被车)撞倒  2. 推倒,拆掉,拆毁(建筑物)  3. 降(价);杀(价);减(量)  

    knock off

    1. 使减少;使降低  2. 从(名单或文件中)删除  3. 下班;收工  

    knock out

    1. 使不省人事;使入睡  2. 击败;淘汰  3. 摧毁;使瘫痪  

    knock over

    1. (被车)撞倒  


    短语用例

    knock around…

    1. 漫游
      to travel and live in various places
      1. (表示某物在一个地方但不知确切位置)
        used to say that sth is in a place but you do not know exactly where
        1. He knocked three times and waited.
          他敲了三下门就等着。
        2. Somebody was knocking on the window.
          有人在敲窗户。

      knock around with sb/together

      1. 常与某人交往(或做伴)
        to spend a lot of time with sb/together
        1. Be careful you don't knock your head on this low beam.
          小心,别把头撞在这矮梁上。
        2. Her hand knocked against the glass.
          她的手碰了玻璃杯。

      knock sb/sth around

      1. 接连敲击某人(物);粗暴对待
        to hit sb/sth repeatedly; to treat sb/sth roughly
        1. He'd knocked over a glass of water.
          他打翻了一杯水。
        2. I knocked the nail into the wall.
          我把钉子钉进墙里。
        3. They had to knock the door down to get in.
          他们不得不破门而入。
        4. The boys were knocking (= kicking) a ball around in the back yard.
          男孩们在后院踢球玩儿。
        5. The criticism had knocked (= damaged) her self-esteem.
          这一批评伤了她的自尊心。

      knock sb back

      1. 阻碍,妨碍(某人取得成果或进步,尤指以回绝方式)
        to prevent sb from achieving sth or making progress, especially by rejecting them or sth that they suggest or ask
        1. 使某人大吃一惊(或感到惊讶)
          to surprise or shock sb
          1. My heart was knocking wildly.
            我的心怦怦直跳。

        knock sb back sth

        1. 用掉某人一大笔钱
          to cost sb a lot of money

          knock sth↔back

          1. 很快喝掉(酒等)
            to drink sth quickly, especially an alcoholic drink
            1. The newspapers are always knocking the England team.
              报纸总是攻击英格兰队。
            2. ‘Plastics?’ ‘ Don't knock it ─there's a great future in plastics.’
              “塑料?”“别说它不好——塑料的前景大着呢。”

          knock sb down (from sth) (to sth)

          1. 说服…降价;使降价;杀价
            to persuade sb to reduce the price of sth

            knock sb↔down/over

            1. 打倒(或击倒、撞倒)某人
              to hit sb and make them fall to the ground

              knock sth↔down

              1. 推倒(或拆掉、拆毁)建筑物
                to destroy a building by breaking its walls

                knock sth↔down (from sth) (to sth)

                1. 减价;降价
                  to reduce the price of sth

                  knock off

                  knock off sth

                  1. 停止某事;中断某事;(尤指)下班,收工
                    to stop doing sth, especially work

                    knock sb↔off

                    1. 杀死(或干掉、除掉、结果)某人
                      to murder sb

                      knock sth↔off

                      1. 迅速而轻松地完成
                        to complete sth quickly and without much effort
                        1. 偷东西;抢劫某处
                          to steal sth; to steal from a place

                          knock sth↔off

                          knock sth↔off sth

                          1. 降价;减价;使贬值
                            to reduce the price or value of sth

                            knock sb↔out

                            1. 使入睡;使昏睡;使不省人事
                              to make sb fall asleep or become unconscious
                              1. 击败对手
                                to hit an opponent so that they cannot get up within a limited time and therefore lose the fight
                                1. 使大吃一惊;使倾倒;给某人留下深刻印象
                                  to surprise and impress sb very much

                                  knock sb/yourself out

                                  1. 使筋疲力尽;使疲惫不堪
                                    to make sb/yourself very tired

                                    knock sb↔out (of sth)

                                    1. 把…淘汰出(比赛)
                                      to defeat sb so that they cannot continue competing

                                      knock sth↔out

                                      1. 完成;快速而轻易地做成
                                        to produce sth, especially quickly and easily

                                        knock sb↔over

                                        knock sb↔over

                                        knock sth↔together

                                        1. 草草做成;匆匆拼凑成
                                          to make or complete sth quickly and often not very well
                                          1. 把两间屋(或两座建筑物)打通
                                            to make two rooms or buildings into one by removing the wall between them

                                            knock up

                                            1. 赛前练习
                                              to practise for a short time before the start of a game

                                              knock sb↔up

                                              1. 敲门唤醒某人
                                                to wake sb by knocking on their door
                                                1. 使怀孕
                                                  to make a woman pregnant

                                                  knock sth↔up

                                                  1. 迅速准备好;快速并轻易做成
                                                    to prepare or make sth quickly and without much effort

                                                    习惯用语

                                                    v.

                                                      I'll knock your block/head off!

                                                    • (威胁要打人)我非揍你不可,我要揍扁你
                                                      used to threaten sb that you will hit them
                                                      1. knock sb dead

                                                      2. 使某人倾倒
                                                        to impress sb very much
                                                        1. You look fabulous─you'll knock 'em dead tonight.
                                                          你看上去漂亮极了——今晚肯定把他们迷倒。
                                                      3. knock sb/sth into a cocked hat

                                                      4. 远远胜过某人(或事物);大大超过;使相形见绌
                                                        to be very much better than sb/sth
                                                        1. knock it off!

                                                        2. 别吵了;别烦人了
                                                          used to tell sb to stop making a noise, annoying you, etc.
                                                          1. knock sb off their pedestal/perch

                                                          2. 使某人丧失名位
                                                            to make sb lose their position as sb/sth successful or admired
                                                            1. knock sth on the head

                                                            2. 阻止某事发生;停止做某事
                                                              to stop sth from happening; to stop doing sth
                                                              1. The recession knocked on the head any idea of expanding the company.
                                                                经济衰退使扩展公司的任何想法都化为泡影。
                                                            3. knock on wood

                                                              knock on wood

                                                              knock sb sideways

                                                            4. 使某人惊讶得不知所措(或目瞪口呆)
                                                              to surprise or shock sb so much that they are unable to react immediately
                                                              1. knock spots off sb/sth

                                                              2. 远远胜过某人(事物);大大超过;使相形见绌
                                                                to be very much better than sb/sth
                                                                1. knock the stuffing out of sb

                                                                2. 使某人丧失信心(或委靡不振)
                                                                  to make sb lose their confidence and enthusiasm
                                                                  1. you could have knocked me down with a feather

                                                                  2. (表示惊奇)
                                                                    used to express surprise
                                                                    1. beat/knock the (living) daylights out of sb

                                                                    2. 把某人狠揍一顿
                                                                      to hit sb very hard several times and hurt them very much
                                                                      1. bang/knock your/their heads together

                                                                      2. 强行制止人们争吵并使之恢复理智
                                                                        to force people to stop arguing and behave in a sensible way
                                                                        1. beat/kick (the) hell out of sb/sth

                                                                          knock hell out of sb/sth

                                                                        2. 猛击;狠打
                                                                          to hit sb/sth very hard
                                                                          1. He was a dirty player and loved to kick hell out of the opposition.
                                                                            他是个不讲体育道德的球员,喜欢猛力冲撞对方。
                                                                        3. knock/talk some sense into sb

                                                                        4. 开导某人别干傻事;强使某人理智行事
                                                                          to try and persuade sb to stop behaving in a stupid way, sometimes using rough or violent methods
                                                                          1. get/knock/lick sb into shape

                                                                          2. 把某人培养成材(或训练出来)
                                                                            to train sb so that they do a particular job, task, etc. well
                                                                            1. hit/knock sb for six

                                                                            2. 极大地影响某人
                                                                              to affect sb very deeply
                                                                              1. blow/knock sb's socks off

                                                                              2. 使某人万分惊愕;给某人留下深刻印象
                                                                                to surprise or impress sb very much

                                                                                n.

                                                                                  take a (hard, nasty, etc.) knock

                                                                                • 遭受(重大等)挫折;受到(沉重等)打击;受到(严重等)破坏
                                                                                  to have an experience that makes sb/sth less confident or successful; to be damaged