can

modal verb

1. （表示有能力做或能够发生）能，会
   used to say that it is possible for sb/sth to do sth, or for sth to happen
   1. I can run fast.
      我能跑得快。
   2. Can you call back tomorrow?
      明天你能回电话吗？
   3. He couldn't answer the question.
      他没有能回答那个问题。
   4. The stadium can be emptied in four minutes.
      这个体育场能在四分钟以内让观众全部散场。
   5. I can't promise anything, but I'll do what I can.
      我不能许诺什么，但会尽力而为。
   6. Please let us know if you cannot attend the meeting.
      你若不能参加会议，请通知我们。
2. （表示知道如何做）懂得，会
   used to say that sb knows how to do sth
   1. She can speak Spanish.
      她会讲西班牙语。
   2. Can he cook?
      他会做饭吗？
   3. I could drive a car before I left school.
      我在中学毕业前就会开车了。
3. （与动词feel、hear、see、smell、taste 连用）
   used with the verbs ‘feel’, ‘hear’, ‘see’, ‘smell’, ‘taste’
   1. She could feel a lump in her breast.
      她摸到自己的乳房上有一个肿块。
   2. I can hear music.
      我听见有音乐声。
4. （表示允许）可以
   used to show that sb is allowed to do sth
   1. You can take the car, if you want.
      如果想用那辆车，你就尽管用吧。
   2. We can't wear jeans at work.
      我们工作时不准穿牛仔裤。
5. （请求允许）可以
   used to ask permission to do sth
   1. Can I read your newspaper?
      我可以看一下你的报纸吗？
   2. Can I take you home?
      我送你回家好吗？
6. （请求帮助）能
   used to ask sb to help you
   1. Can you help me with this box?
      你能帮我搬这个箱子吗？
   2. Can you feed the cat, please?
      请你喂一下猫好吗？
7. （用于否定句，表示某事肯定不真实）
   used in the negative for saying that you are sure sth is not true
   1. That can't be Mary─she's in New York.
      那不可能是玛丽——她在纽约呢。
   2. He can't have slept through all that noise.
      他不可能在那种闹哄哄的环境里睡好觉。
8. （表示疑惑或惊讶）究竟能，难道会，到底是
   used to express doubt or surprise
   1. What can they be doing?
      他们究竟在干些什么呢？
   2. Can he be serious?
      他难道会当真么？
   3. Where can she have put it?
      她到底把它放哪儿了呢？
9. （表示常有的行为和情形）有时会，时而可能
   used to say what sb/sth is often like
   1. He can be very tactless sometimes.
      他有时太莽撞。
   2. It can be quite cold here in winter.
      这里的冬天有时还真够冷的。
10. （提出建议）可以
    used to make suggestions
    1. We can eat in a restaurant, if you like.
       如果你愿意，我们可以去餐馆吃饭。
    2. I can take the car if necessary.
       如果必要的话，我可以乘汽车去。
11. （表示对方必须做，尤指说话人在生气时）必须，得
    used to say that sb must do sth, usually when you are angry
    1. You can shut up or get out!
       你给我闭嘴，要不然就滚出去！

MODAL USES 情态动词用法

Can is a modal verb. It is used with the base form of a verb. The form cannot is used in negative statements. The usual spoken form of cannot is can't, pronounced /kɑːnt, AM kænt/. can 是情态动词,与动词原形连用。cannot 用于否定句中,口语中通常作 can't,读作 /kɑːnt, am 美 kænt/。


1. MODAL (表示某事物的特点)能够，可以
   You use can when you are mentioning a quality or fact about something which people may make use of if they want to.
   1. Pork is also the most versatile of meats. It can be roasted whole or in pieces...
      在肉类中,猪肉的做法也是最多的,可以整块烤来吃,也可以切片烤来吃。
   2. Luckily, iron can be reworked and mistakes don't have to be thrown away...
      所幸的是,铁可以再加工,次品、废品不必被扔掉。
   3. A central reservation number operated by the resort can direct you to accommodations that best suit your needs...
      该旅游胜地开设的预约中心电话可指引你找到最适合你的住处。
   4. A selected list of some of those stocking a comprehensive range can be found in Chapter 8.
      第8章选列了一些备货品种齐全的商家
   5. ...the statue which can still be seen in the British Museum.
      在大英博物馆仍能看见的雕像
2. MODAL (表示有能力或机会)能，会，可以
   You use can to indicate that someone has the ability or opportunity to do something.
   1. Don't worry yourself about me, I can take care of myself...
      你别担心我,我能照顾好自己。
   2. I can't give you details because I don't actually have any details...
      我没办法给你提供细节,因为我并不了解任何细节。
   3. Oh Stephen darling, how can I ever thank you for being so kind?...
      哦,亲爱的斯蒂芬,你对我这么好,叫我怎么感谢你呢?
   4. See if you can find Karlov and tell him we are ready for dinner...
      去看看能不能找到卡洛夫,告诉他要吃晚饭了。
   5. 'You're needed here, Livy' — 'But what can I do?'...
      “莉薇,这里需要你。”——“可我能做些什么呢?”
   6. The United States will do whatever it can to help Greece...
      美国将竭尽所能帮助希腊。
   7. I cannot describe it, I can't find the words...
      我描述不上来,我找不到合适的字眼。
   8. Customers can choose from sixty hit titles before buying...
      顾客可以从60种热卖图书中选购。
   9. You can't be with your baby all the time.
      你不能总守在你的宝宝身边。
3. MODAL (用于否定句，表示情况不允许)不能，无法
   You use cannot to indicate that someone is not able to do something because circumstances make it impossible for them to do it.
   1. People who can't afford to go to the theatre or concerts can afford to go to football matches...
      看不起电影或听不起音乐会的人可以去观看足球赛。
   2. We cannot buy food, clothes and pay for rent and utilities on $20 a week...
      一个星期才20美元,不够我们吃穿、付房租及水电等费用的。
   3. She cannot sleep and the pain is often so bad she wants to scream.
      她睡不着觉，常常疼得直想尖叫。
4. MODAL 有可能;有时会
   You use can to indicate that something is true sometimes or is true in some circumstances.
   1. ...long-term therapy that can last five years or more...
      有可能持续5年乃至更长时间的长期治疗。
   2. A vacant lot or a bombsite can, to the amateur naturalist, produce an extraordinary variety of flora and fauna...
      对于业余博物学者来说,在一片空地上或被炸后的废墟里可能发现种类繁多的植物群和动物群。
   3. I've quite forgotten how closed in London can seem...
      我都快忘了,伦敦有时看上去会多么地闭塞。
   4. Exercising alone can be boring...
      独自锻炼会很枯燥。
   5. The speed at which we talk can also convey a great deal...
      我们的语速同样能传达许多信息。
   6. Coral can be yellow, blue, or green.
      珊瑚有黄色的、蓝色的或绿色的。
5. MODAL (用于否定句，表示确信某事不真实或不会发生)不可能，不会
   You use cannot and can't to state that you are certain that something is not the case or will not happen.
   1. From her knowledge of Douglas's habits, she feels sure that the attacker can't have been Douglas...
      根据她对道格拉斯习性的了解,她敢断定他不可能是那个袭击者。
   2. Things can't be that bad...
      情况不会糟到那个地步。
   3. You can't be serious, Mrs Lorimer?
      洛里默夫人,你该不会是认真的吧?
6. MODAL (表示允许)可以
   You use can to indicate that someone is allowed to do something. You use cannot or can't to indicate that someone is not allowed to do something.
   1. You must buy the credit life insurance before you can buy the disability insurance...
      你必须先购买信用人寿保险,方可购买伤残保险。
   2. No-one can set up a waste disposal company unless they can show that they've got enough money and trained staff to do the job properly...
      任何人若想成立废品处理公司,必须证明其拥有足够资金和受训员工以保证工作可以顺利开展。
   3. Here, can I really have your jeans when you grow out of them?...
      喂,等你穿不下这些牛仔裤时真的可以给我吗?
   4. We can't answer any questions, I'm afraid...
      恐怕我们不能回答任何问题。
   5. I can't tell you what he said...
      我不能把他说的话告诉你。
   6. You cannot ask for your money back before the agreed date...
      约定的日期没到,你不能把钱要回去。
   7. I'm on tablets and I can't drive.
      我在服药,不能开车。
7. MODAL 不行;不能;不该
   You use cannot or can't when you think it is very important that something should not happen or that someone should not do something.
   1. It is an intolerable situation and it can't be allowed to go on...
      这种情况忍无可忍,不能再任其继续下去了。
   2. The Commission can't demand from Sweden more than it demands from its own members.
      委员会对瑞典的要求不能比对自己的会员国要求都多。
8. MODAL (通常用于疑问句，表示建议或提议帮忙)能
   You use can, usually in questions, in order to make suggestions or to offer to do something.
   1. What can I do around here?...
      我在这儿能做点儿什么?
   2. This old lady was struggling out of the train and I said, 'Oh, can I help you?'...
      我看见这位老太太正颤巍巍地下火车,就问:“嗯,我来帮您一把吗?”
   3. Hello John. What can we do for you?...
      喂,约翰!我们能帮你做点什么吗?
   4. You can always try the beer you know — it's usually all right in this bar.
      你尽可以来点儿啤酒——在这家酒吧一般是允许的。
9. MODAL (用于疑问句时,can 表示礼貌的请求，而 can't 表示强烈请求）
   You use can in questions in order to make polite requests. You use can't in questions in order to request strongly that someone does something.
   1. Can I have a look at that?...
      我能不能看一眼那个?
   2. Can you please help?...
      请你帮个忙好吗?
   3. Can you just lift the table for a second?...
      能不能请你把桌子抬一下?
   4. Can you fill in some of the details of your career?...
      能不能把你的工作经历填得详细一点?
   5. Why can't you leave me alone?
      你能不能别来烦我?
10. MODAL (用于有礼貌地打断,或引导要说的话)能,可以
    You use can as a polite way of interrupting someone or of introducing what you are going to say next.
    1. Can I interrupt you just for a minute?...
       我能不能打断你们一下?
    2. But if I can interrupt, Joe, I don't think anybody here is personally blaming you...
       对不起,乔,我插一句,可我认为在座的没有谁在埋怨你。
    3. Can I just ask something 'cos I'm really quite interested in this.
       我能不能问个问题,因为我对这个真的很感兴趣。
11. MODAL (与 imagine, think, believe 等动词连用,用来加强语气)能
    You use can with verbs such as 'imagine', 'think', and 'believe' in order to emphasize how you feel about a particular situation.
    1. You can imagine he was terribly upset...
       你能想象得出来,他当时心里乱得要命。
    2. You can't think how glad I was to see them all go...
       你都想象不到,我看到他们全都走了,心里是多么高兴。
    3. It's been an appallingly busy morning, I can't tell you...
       我今天一上午那个忙啊,都没法说。
    4. I can't understand why folks complain about false teeth.
       我就不明白,人们为什么老是抱怨假牙的问题。
12. MODAL (与 how 一起用于疑问句,表示感受强烈)能,能够
    You use can in questions with 'how' to indicate that you feel strongly about something.
    1. How can you complain about higher taxes?...
       你怎么能抱怨税费的提高呢?
    2. How can millions of dollars go astray?...
       几百万美元怎么可能不翼而飞呢?
    3. How can you say such a thing?...
       你怎能说出这种话来?
    4. How can you expect me to believe your promises?
       你怎能指望我相信你的承诺?

Can, could, and be able to are all used to talk about a person's ability to do something. They are followed by the infinitive form of a verb. You use can or a present form of be able to to refer to the present, although can is more common. They can all read and write... The snake is able to catch small mammals. You use could or a past form of be able to to refer to the past, and 'will' or 'shall' with be able to to refer to the future. Be able to is used if you want refer to doing something at a particular time. After treatment he was able to return to work. Can and could are used to talk about possibility. Could refers to a particular occasion and can to more general situations. Many jobs could be lost... Too much salt can be harmful. When talking about the past, you use could have and a past participle. It could have been much worse. You also use can for the present and could for the past to talk about rules or what people are allowed to do. They can leave at any time. Note that when making requests either can or could may be used. Can I have a drink?... Could we put the fire on? However, could is always used for suggestions. You could phone her and ask.
can, could 和 be able to 都可以表示某人有能力做某事, 后接动词原形。can 和 be able to 的现在式指现在, 不过 can 更常见: They can all read and write (他们都能读会写), The snake is able to catch small mammals (蛇能捕捉小型哺乳动物)。用 could 或 be able to 的过去式表示过去, will 或 shall 与 be able to 连用指将来。表示特定时间做某事时, 用 be able to: After treatment he was able to return to work (经过治疗, 他又能上班了)。can 和 could 可用来谈论可能性, could 指特定场合, can 指较一般的情况: Many jobs could be lost (可能会失去许多工作岗位), Too much salt can be harmful (食盐过多会有害处)。谈论过去则用 could have 加过去分词: It could have been much worse (原本会更糟糕)。表示规则或获准做某事, 可用 can 指现在, could 指过去: They can leave at any time (他们随时可以离开)。注意, 表示请求时, can 和 could 都能用: Can I have a drink (给我来杯饮料好吗), Could we put the fire on (我们可以把火点上吗)。然而, 提建议时总用 could: You could phone her and ask (你可以打电话给她问问看)。

CONTAINER 容器

1. N-COUNT (盛放食品、饮料或油漆的)罐子，金属罐，听
   A can is a metal container in which something such as food, drink, or paint is put. The container is usually sealed to keep the contents fresh.
   1. Several young men were kicking a tin can along the middle of the road.
      几个青年人踢着一个锡罐在路中间走着。
   2. ...empty beer cans.
      空啤酒罐
   3. ...cans of paint and brushes.
      数桶油漆和几把刷子
2. VERB 将(食物、饮料)装罐保存
   When food or drink is canned, it is put into a metal container and sealed so that it will remain fresh.
   1. ...fruits and vegetables that will be canned, skinned, diced or otherwise processed...
      将要装罐、去皮、切块或用其他方法加工的水果和蔬菜
   2. It was always roast lamb and canned peas for Sunday lunch.
      星期天午餐总是吃烤羔羊肉和豌豆罐头。
3. 厕所
   The can is the toilet.
4. VERB 解雇;开除
   If you are canned, you are dismissed from your job.
   1. The extremists prevailed, and the security minister was canned...
      极端主义分子猖獗,致使安全部长被解职。
   2. When I got canned, I took these keys as souvenirs.
      我被开除后,就拿了这些钥匙作为纪念。
5. See also: canned
6. PHRASE 承担所有指责;代人受过
   If you have to carry the can, you have to take all the blame for something.
   1. We are a luxury restaurant and if people have a bad experience, we have to carry the can.
      我们这是豪华饭店;如果客人用餐不愉快,背黑锅的就是我们。
7. PHRASE 完成了的;完结的
   If you say that something such as a job that you are doing is in the can, you mean that it is completely finished.
   1. With another day's work in the can, Philip is happy to leave the open countryside and head for his London flat.
      又干完了一天的活,菲利普满心愉悦地离开了广袤的乡村,前往自己位于伦敦的公寓。

1. Pork is also the most versatile of meats. It can be roasted whole or in pieces
   在肉类中，猪肉的做法也是最多的，可以整块烤来吃，也可以切片烤来吃。
2. Luckily, iron can be reworked and mistakes don't have to be thrown away
   所幸的是，铁可以再加工，次品、废品不必被扔掉。
3. A central reservation number operated by the resort can direct you to accommodations that best suit your needs
   该旅游胜地开设的预约中心电话可指引你找到最适合你的住处。
4. A selected list of some of those stocking a comprehensive range can be found in Chapter 8.
   第8章选列了一些备货品种齐全的商家
5. Don't worry yourself about me, I can take care of myself
   你别担心我，我能照顾好自己。
6. I can't give you details because I don't actually have any details
   我没办法给你提供细节，因为我并不了解任何细节。
7. Oh Stephen darling, how can I ever thank you for being so kind?
   哦，亲爱的斯蒂芬，你对我这么好，叫我怎么感谢你呢？
8. See if you can find Karlov and tell him we are ready for dinner
   去看看能不能找到卡洛夫，告诉他要吃晚饭了。
9. 'You're needed here, Livy' — 'But what can I do?'
   “莉薇，这里需要你。”——“可我能做些什么呢？”
10. The United States will do whatever it can to help Greece
    美国将竭尽所能帮助希腊。
11. I cannot describe it, I can't find the words
    我描述不上来，我找不到合适的字眼。
12. Customers can choose from sixty hit titles before buying
    顾客可以从60种热卖图书中选购。
13. You can't be with your baby all the time.
    你不能总守在你的宝宝身边。
14. People who can't afford to go to the theatre or concerts can afford to go to football matches
    看不起电影或听不起音乐会的人可以去观看足球赛。
15. A vacant lot or a bombsite can, to the amateur naturalist, produce an extraordinary variety of flora and fauna
    对于业余博物学者来说，在一片空地上或被炸后的废墟里可能发现种类繁多的植物群和动物群。
16. I've quite forgotten how closed in London can seem
    我都快忘了，伦敦有时看上去会多么地闭塞。
17. Exercising alone can be boring
    独自锻炼会很枯燥。
18. The speed at which we talk can also convey a great deal
    我们的语速同样能传达许多信息。
19. Coral can be yellow, blue, or green.
    珊瑚有黄色的、蓝色的或绿色的。
20. From her knowledge of Douglas's habits, she feels sure that the attacker can't have been Douglas
    根据她对道格拉斯习性的了解，她敢断定他不可能是那个袭击者。
21. You must buy the credit life insurance before you can buy the disability insurance
    你必须先购买信用人寿保险，方可购买伤残保险。
22. It is an intolerable situation and it can't be allowed to go on
    这种情况忍无可忍，不能再任其继续下去了。
23. What can I do around here?
    我在这儿能做点儿什么？
24. Can I have a look at that?
    我能不能看一眼那个？
25. Can I interrupt you just for a minute?
    我能不能打断你们一下？
26. You can imagine he was terribly upset
    你能想象得出来，他当时心里乱得要命。
27. How can you complain about higher taxes?
    你怎么能抱怨税费的提高呢？
28. Several young men were kicking a tin can along the middle of the road.
    几个青年人踢着一个锡罐在路中间走着。
29. With another day's work in the can, Philip is happy to leave the open countryside and head for his London flat.
    又干完了一天的活，菲利普满心愉悦地离开了广袤的乡村，前往自己位于伦敦的公寓。

  can may【导航词义：可以】

  can modal v. 可以，能

〔辨析〕普通用词，用于征求别人的许可，在口语中常用来代替 may；也可用于表示允许。

  may modal v. 〈口，正式〉可以，能

〔辨析〕用于礼貌地表示请求，也可用于表示允许。

  can tin【导航词义：罐】

  can n. 罐

〔辨析〕在美国英语中，can 通常指盛放食物和饮料的金属罐，也可指装液体的有盖金属圆桶；在英国英语中，can 总是指饮料罐。

  tin n. 〈英〉罐

〔辨析〕指盛放食物或饮料的金属罐，也可指装涂料、胶水等的有盖铁桶。

modal verb

can't be doing with sth

• （表示因不喜欢而不愿接受）无法接受某物
  used to say that you do not like sth and are unwilling to accept it
  1. I can't be doing with people who complain all the time.
     我无法忍受那些整天发牢骚的人。

no can do

• 干不了；不行；不成
  used to say that you are not able or willing to do sth
  1. Sorry, no can do. I just don't have the time.
     对不起，不行。我就是没有时间。

n.

a can of worms

• 棘手的问题；难题；麻烦事
  if you open up a can of worms , you start doing sth that will cause a lot of problems and be very difficult

be in the can

• 已拍摄好；录制完毕
  to be completed and ready for use

carry the can (for sb/sth)

• 承受责难；（尤指）代人受过，背黑锅
  to accept the blame for sth, especially when it is not your fault

noun

1. airtight sealed metal container for food or drink or paint etc.

   Synonym:    tintin can

2. a room or building equipped with one or more toilets

   Synonym:    toiletlavatorylavjohnprivybathroom

3. a plumbing fixture for defecation and urination

   Synonym:    toiletcommodecrapperpotpottystoolthrone

4. the fleshy part of the human body that you sit on
   1. he deserves a good kick in the butt
   2. are you going to sit on your fanny and do nothing?

   Synonym:    buttocksnatesarsebuttbacksidebumbunsfundamenthindquartershind endkeisterposteriorpratrearrear endrumpsternseattailtail endtooshietushbottombehindderrierefannyass

5. a buoy with a round bottom and conical top

   Synonym:    can buoy

6. the quantity contained in a can

   Synonym:    canful

verb

1. preserve in a can or tin
   1. tinned foods are not very tasty

   Synonym:    tinput up

2. terminate the employment of
   1. The boss fired his secretary today
   2. The company terminated 25% of its workers

   Synonym:    displacefiregive noticedismissgive the axesend awaysackforce outgive the sackterminate