in

prep.

1. 在（某范围或空间内的）某一点
   at a point within an area or a space
   1. a country in Africa
      非洲的一个国家
   2. The kids were playing in the street.
      孩子们在街上玩。
   3. It's in that drawer.
      它放在那个抽屉里。
   4. I read about it in the paper.
      我是在报纸上读到这事的。
2. 在（某物的形体或范围）中；在…内；在…中
   within the shape of sth; surrounded by sth
   1. She was lying in bed.
      她躺在床上。
   2. sitting in an armchair
      坐在扶手椅里
   3. Leave the key in the lock.
      把钥匙留在锁孔里。
   4. Soak it in cold water.
      把这东西浸泡在冷水里。
3. 进入
   into sth
   1. He dipped his brush in the paint.
      他把毛刷在涂料里蘸了蘸。
   2. She got in her car and drove off.
      她钻进汽车里，开走了。
4. 构成…的整体（或部分）；包含在…之内
   forming the whole or part of sth/sb; contained within sth/sb
   1. There are 31 days in May.
      五月份有31天。
   2. all the paintings in the collection
      收藏品中的所有画作
   3. I recognize his father in him (= his character is similar to his father's) .
      我在他身上看到了他父亲的气质。
5. 在（某段时间）内
   during a period of time
   1. in 2005
      在2005年
   2. in the 18th century
      在18世纪
   3. in spring/summer/autumn/winter
      在春 / 夏 / 秋 / 冬天
   4. in the fall
      在秋天
   5. in March
      在三月
   6. in the morning/afternoon/evening
      在上午 / 下午 / 晚上
   7. I'm getting forgetful in my old age.
      我上了年纪，变得健忘了。
6. 在（某段时间）之后
   after a particular length of time
   1. to return in a few minutes/hours/days/months.
      几分钟 / 几小时 / 几天 / 几个月后回来
   2. It will be ready in a week's time (= one week from now) .
      只需一周的时间就会准备好。
   3. She learnt to drive in three weeks (= after three weeks she could drive) .
      她花三个星期就学会了开车。
7. 在（某段时间）内
   for a particular period of time
   1. I haven't seen him in years.
      我有好些年没见过他了。
   2. It's the first letter I've had in ten days.
      这是我十天来收到的第一封信。
8. 穿着；戴着
   wearing sth
   1. dressed in their best clothes
      穿着他们最好的衣服
   2. the man in the hat
      戴帽子的男子
   3. to be in uniform
      穿着制服
   4. She was all in black.
      她穿着一身黑。
9. （用以描述具体的环境）
   used to describe physical surroundings
   1. We went out in the rain.
      我们冒雨出去了。
   2. He was sitting alone in the darkness.
      他独自坐在黑暗中。
10. （表示状态或状况）
    used to show a state or condition
    1. I'm in love!
       我恋爱了！
    2. The house is in good repair.
       这所房子保养得不错。
    3. I must put my affairs in order.
       我必须整理整理我的事务。
    4. a man in his thirties
       一位三十多岁的男子
    5. The daffodils were in full bloom.
       水仙花盛开了。
11. 参与；参加
    involved in sth; taking part in sth
    1. to act in a play
       参加演戏
12. （显示工作或职业）
    used to show sb's job or profession
    1. He is in the army.
       他在军队服役。
    2. She's in computers.
       她从事计算机业。
    3. in business
       从商
13. （显示某物的形式、形状、安排或数量）
    used to show the form, shape, arrangement or quantity of sth
    1. a novel in three parts
       分为三部的小说
    2. Roll it up in a ball.
       把它卷成一个球。
    3. They sat in rows.
       他们一排一排地坐着。
    4. People flocked in their thousands to see her.
       现场聚集了数以千计的人争相目睹她的风采。
14. （表示使用的语言、材料等）
    used to show the language, material, etc. used
    1. Say it in English.
       用英语说吧。
    2. She wrote in pencil.
       她用铅笔写的。
    3. Put it in writing.
       把它写下来。
    4. I paid in cash.
       我用现金支付的。
    5. He spoke in a loud voice.
       他大声说话。
15. 关于；在…方面
    concerning sth
    1. She was not lacking in courage.
       她并不缺乏勇气。
    2. a country rich in minerals
       矿藏丰富的国家
    3. three metres in length
       三米长
16. 做…时；…发生时；当…时
    while doing sth; while sth is happening
    1. In attempting to save the child from drowning, she nearly lost her own life.
       她在抢救落水儿童时，自己差点丧命。
    2. In all the commotion I forgot to tell him the news.
       在一阵混乱之中我忘了告诉他那个消息。
17. （引出具某种品质的人的名字）
    used to introduce the name of a person who has a particular quality
    1. We're losing a first-rate editor in Jen.
       我们即将失去珍这位一流的编辑。
18. （显示比率或相对数量）
    used to show a rate or relative amount
    1. a gradient of one in five
       五分之一的坡度
    2. a tax rate of 22 pence in the pound
       每英镑22便士的税率

adv.

1. 在里面；在内
   contained within an object, an area or a substance
   1. We were locked in.
      我们被锁在里面了。
   2. I can't drink coffee with milk in.
      我不能喝加牛奶的咖啡。
2. 进入
   into an object, an area or a substance
   1. She opened the door and went in.
      她打开门进去了。
   2. The kids were playing by the river and one of them fell in.
      孩子们在河边玩耍时，其中一个突然落水了。
3. 在家里；在工作单位
   at home or at a place of work
   1. Nobody was in when we called.
      我们打电话时家里没人。
4. 在车站；在停靠站
   at the place where people can get on or off, for example the station
   1. The bus is due in (= it should arrive) at six.
      公共汽车应该在六点钟到站。
5. 收到；被投递到
   received
   1. Applications must be in by April 30.
      申请务必于四月三十日之前寄到。
6. 上涨；在最高点
   at or towards its highest point on land
   1. Is the tide coming in or going out?
      现在是涨潮还是落潮？
7. 当选
   elected
   1. Several new councillors got in at the last election.
      几位新政务委员在最近一轮选举中当选。
8. 击球
   if a team or team member is in , they are batting
9. （球）落在界内
   if the ball is in , it has landed inside the line
   1. Her serve was just in.
      她发的球刚好落在界内。

adj.

1. 流行的；时髦的
   popular and fashionable
   1. Purple is the in colour this spring.
      紫色是今年春天的流行色。
   2. Exotic pets are the in thing right now.
      奇异的宠物眼下很时髦。
   3. Short skirts are in again.
      现在又时兴穿短裙子了。

noun

noun

POSITION OR MOVEMENT 方位;移动

In addition to the uses shown below, in is used after some verbs, nouns, and adjectives in order to introduce extra information. In is also used with verbs of movement such as ‘walk’ and ‘push’, and in phrasal verbs such as ‘give in’ and ‘dig in’.
除下列用法外，in还用在一些动词、名词、形容词后面，以引出附加信息。in 还与表示动作的动词连用，如 walk，push等,还用在诸如 give in，dig in 等短语动词中。

The preposition is pronounced /ɪn/. The adverb is pronounced /'ɪn/. in 作介词在句中弱读，作副词在句中重读。


1. PREP 在…里;在…之内
   Someone or something that is in something else is enclosed by it or surrounded by it. If you put something in a container, you move it so that it is enclosed by the container.
   1. He was in his car.
      他坐在他的车里。
   2. ...clothes hanging in the wardrobe...
      挂在衣柜里的衣服
   3. Put the knives in the kitchen drawer...
      把这些刀具放到厨房抽屉里。
   4. Mix the sugar and the water in a cup.
      把糖和水倒在杯子里搅拌一下。
2. PREP 在(某处)
   If something happens in a place, it happens there.
   1. We spent a few days in a hotel...
      我们在一家宾馆住了几天。
   2. He had intended to take a holiday in America...
      他本打算去美国度假。
   3. Those rockets landed in the desert.
      那些火箭降落在了沙漠里。
3. ADV 在家;在办公室
   If you are in, you are present at your home or place of work.
   1. My flatmate was in at the time...
      我的舍友当时在房间里。
   2. He has had to be in every day.
      他每天都得坐班。
4. ADV 进;入
   When someone comes in, they enter a room or building.
   1. She looked up anxiously as he came in...
      他进来的时候,她焦虑不安地抬起头来看了看。
   2. They shook hands and went in.
      他们握了手,走了进去。
5. ADV (火车)进站;(轮船、飞机)抵港
   If a train, boat, or plane has come in or is in, it has arrived at a station, port, or airport.
   1. We'd be watching every plane coming in from Melbourne...
      我们会密切注意从墨尔本飞来的每架飞机。
   2. Look. The train's in. We'll have to run for it now.
      看,火车进站了,我们现在得赶紧朝那边跑了。
6. ADV (潮)在上涨
   When the sea or tide comes in, the sea moves towards the shore rather than away from it.
   1. She thought of the tide rushing in, covering the wet sand...
      她想象潮汐涌来,淹没潮湿的沙滩。
   2. If the tide was in they went swimming.
      如果涨潮了,他们就去游泳。
7. PREP 在(橱窗)里面
   Something that is in a window, especially a shop window, is just behind the window so that you can see it from outside.
   1. The light in the window went out...
      橱窗里的灯熄灭了。
   2. There was a camera for sale in the window.
      橱窗里有一架相机待售。
8. PREP 在(镜子)之中
   When you see something in a mirror, the mirror shows an image of it.
   1. I couldn't bear to see my reflection in the mirror...
      我不忍看镜子里自己的样子。
   2. He caught sight of his hair in a mirror.
      他从镜子里看见了自己的头发。
9. PREP 穿着;戴着
   If you are dressed in a piece of clothing, you are wearing it.
   1. He was a big man, smartly dressed in a suit and tie.
      他身材高大，穿着西服打着领带，非常帅气。
   2. ...three women in black.
      3 个黑衣女子
10. PREP (包裹)在…之中;(覆盖)在…之下
    Something that is covered or wrapped in something else has that thing over or round its surface.
    1. His legs were covered in mud.
       他的腿上满是泥浆。
    2. ...carrots wrapped in newspaper.
       包在报纸里的胡萝卜
11. PREP (裂缝或洞)在…表面上
    If there is something such as a crack or hole in something, there is a crack or hole on its surface.
    1. There was a deep crack in the ceiling above him.
       在他头顶的天花板上有一道很深的裂缝。
    2. ...an unsightly hole in the garden.
       花园里一个很不雅观的洞

INCLUSION OR INVOLVEMENT 包含;参与

1. PREP 在(书、电影、戏剧、图片)之中
   If something is in a book, film, play, or picture, you can read it or see it there.
   1. Don't stick too precisely to what it says in the book.
      不要过分拘泥于书上所说的。
   2. ...one of the funniest scenes in the film.
      电影中最滑稽的场景之一
2. PREP 参加(演出、比赛等)
   If you are in something such as a play or a race, you are one of the people taking part.
   1. Alf offered her a part in the play he was directing...
      阿尔夫在他导演的戏中给她安排了一个角色。
   2. The Princess had been invited to ride in a charity race...
      公主受邀参加一场慈善性质的赛马比赛。
   3. More than fifteen thousand people took part in the memorial service.
      有15,000多人参加了悼念仪式。
3. PREP 在(团体、收藏)当中
   Something that is in a group or collection is a member of it or part of it.
   1. The New England team are the worst in the league.
      新英格兰队是联盟中最差的队。
   2. ...the most spectacular painting in the collection.
      收藏品中最受瞩目的一幅画
4. PREP 在(学科、活动领域)方面
   You use in to specify a general subject or field of activity.
   1. ...those working in the defence industry.
      国防工业领域从业者
   2. ...future developments in medicine.
      医学未来的发展

TIME AND NUMBERS 时间;数字

1. PREP 在(特定年、月等);在…期间
   If something happens in a particular year, month, or other period of time, it happens during that time.
   1. ...that early spring day in April 1949...
      1949 年4月早春的那一天
   2. Export orders improved in the last month...
      上个月出口订单增加了。
   3. In the evening, the people assemble in the mosques...
      晚上，人们聚集到清真寺里。
   4. He believes food prices will go up in the future.
      他认为食品价格将来会上涨。
2. PREP 在(某一情形、形势)之中
   If something happens in a particular situation, it happens while that situation is going on.
   1. His father had been badly wounded in the last war.
      在上次战争中，他的父亲受了重伤。
   2. ...issues you struggle with in your daily life.
      你在日常生活中费力应对的问题
3. PREP 花费…时间
   If you do something in a particular period of time, that is how long it takes you to do it.
   1. He walked two hundred and sixty miles in eight days.
      他在8天里走了260英里的路。
4. PREP 在(一段时间)之后
   If something will happen in a particular length of time, it will happen after that length of time.
   1. I'll have some breakfast ready in a few minutes...
      几分钟后我就能做点儿早饭出来。
   2. They'll be back in six months.
      6个月之后他们就会回来。
5. PREP 在(某一年龄段)之中
   You use in to indicate roughly how old someone is. For example, if someone is in their fifties, they are between 50 and 59 years old.
   1. ...young people in their twenties.
      20多岁的年轻人
   2. ...Molly, a tall woman in her early sixties.
      莫莉,一位60出头的高个女士
6. PREP 以(或按)…的数量
   You use in to indicate roughly how many people or things do something.
   1. ...men who came there in droves...
      成群结队到那里的人
   2. The children were assembled in hundreds...
      数以百计的孩子们被集合起来。
   3. The jugs were produced in their millions.
      数以百万计的水壶被生产出来。
7. PREP (表示比率、比例、概率)在…之中
   You use in to express a ratio, proportion, or probability.
   1. Last year, one in five boys left school without a qualification...
      去年，五分之一的男孩没有获得资格证书就离校了。
   2. He was told that he had a one in 500 chance of survival.
      他被告知有五百分之一的生存机会。

STATES AND QUALITIES 状态;特性

1. PREP (表示目前状态、形势)处于…中
   If something or someone is in a particular state or situation, that is their present state or situation.
   1. The economy was in trouble...
      经济处于困境中。
   2. Dave was in a hurry to get back to work...
      戴夫急于回到工作岗位。
   3. Their equipment was in poor condition...
      他们的设备状况很差。
   4. One of their men was in danger.
      他们当中有一人情况危险。
2. PREP 带着，充满(某种情感或愿望)
   You use in to indicate the feeling or desire which someone has when they do something, or which causes them to do it.
   1. Simpson looked at them in surprise...
      辛普森惊讶地看着他们。
   2. Chris was weeping in anger and grief...
      克丽丝悲愤交加,失声痛哭。
   3. Carl pushed ahead in his eagerness to reach the wall.
      卡尔为了能够到墙急切地往前挤。
3. PREP (性格、能力)在…身上
   If a particular quality or ability is in you, you naturally have it.
   1. Violence is not in his nature...
      他天性温和。
   2. I couldn't find it in me to embrace him.
      我打心眼里不想拥抱他。
4. PREP (特定品质)在…之中
   You use in when saying that someone or something has a particular quality.
   1. He had all the qualities I was looking for in a partner...
      他具有我要找的伴侣应该具备的所有品质。
   2. 'I don't agree,' she said, surprised at the strength in her own voice...
      “我不同意,”她说道,对自己的声音如此响亮有力而感到惊讶。
   3. There is artistry in what he does.
      他做的一切都具有艺术性。
5. PREP 以…方式(表达)
   You use in to indicate how someone is expressing something.
   1. Information is given to the patient verbally and in writing.
      用口头和书面的形式向病人提供信息。
   2. ...lessons in languages other than Spanish.
      用西班牙语以外的语言讲授的课程
   3. ...trying to speak in a casual voice.
      努力用一种随意的语气说话
   4. ...written in a simple but very expressive style.
      写作风格简洁又极富表现力
6. PREP (表示排列或形状)成一排/呈球形
   You use in in expressions such as in a row or in a ball to describe the arrangement or shape of something.
   1. The cards need to be laid out in two rows...
      这些卡片需要排成两行。
   2. Her ear, shoulder and hip are in a straight line...
      她的耳朵、肩膀和髋部呈一条直线。
   3. He was curled up in a ball.
      他蜷缩成一团。
7. PREP 以(…颜色)的
   If something is in a particular colour, it has that colour.
   1. ...white flowers edged in pink...
      粉边白花
   2. He saw something written in black on the gravestones.
      他看见墓碑上有一些黑字写的东西。
8. PREP 在(某一特征、方面)上
   You use in to specify which feature or aspect of something you are talking about.
   1. The movie is nearly two hours in length...
      这部电影时长近两个小时。
   2. The oil is green in colour...
      这种油是绿色的。
   3. There is a big difference in the amounts that banks charge.
      银行的收费在数额上有很大的不同。
   4. ...a real increase in the standard of living...
      生活水平的真正提高
   5. The officers were rather slovenly in their methods.
      这些官员行事十分散漫。

OTHER USES AND PHRASES 其他用法和短语

Pronounced /'ɪn/ for meanings 1 and 3 to 8, and /ɪn/ for meaning 2. 作义项 1 和义项 3 到 8 时重读,作义项 2 时在句中弱读。


1. ADJ 时髦的;流行的;受欢迎的
   If you say that something is in, or is the in thing, you mean it is fashionable or popular.
   1. A few years ago jogging was the in thing...
      几年前慢跑很流行。
   2. It is the 'in' place to go for a quick drink after work.
      那是一个“很受欢迎”的地方，工作之后可以去那儿喝上几杯。
2. PREP (与现在分词连用)在…过程中
   You use in with a present participle to indicate that when you do something, something else happens as a result.
   1. In working with others, you find out more about yourself.
      在与别人一起工作的过程中,你会进一步认识你自己。
3. PHRASE 肯定会经历;注定遭受
   If you say that someone is in for a shock or a surprise, you mean that they are going to experience it.
   1. You might be in for a shock at the sheer hard work involved...
      所做工作之艰辛可能会让你大吃一惊。
   2. When you venture outside, you are in for a surprise.
      你外出探险时,定会遇上意想不到之事。
4. PHRASE 对…怀有仇恨;伺机报复…
   If someone has it in for you, they dislike you and try to cause problems for you.
   1. The other kids had it in for me.
      其他的孩子对我怀恨在心。
5. PREP-PHRASE 卷入;参与
   If you are in on something, you are involved in it or know about it.
   1. I don't know. I wasn't in on that particular argument...
      我不知道。我没有参与那一争论。
   2. I'm going to let you in on a little secret.
      我要向你透露一个小秘密。
6. 与…友好相处;深得…的欢心
   If you are in with a person or group, they like you and accept you, and are likely to help you.
7. PHR-CONJ-SUBORD 因为;原因是
   You use in that to introduce an explanation of a statement you have just made.
   1. I'm lucky in that I've got four sisters.
      我很幸运，因为我有4个姐姐。
8. PHRASE 复杂详情;底细
   The ins and outs of a situation are all the detailed points and facts about it.
   1. ...the ins and outs of high finance...
      大宗金融交易的详情
   2. Dietary experts can advise on the ins and outs of dieting.
      饮食专家可以对日常饮食的方方面面提出建议。

1. He was in his car.
   他坐在他的车里。
2. We spent a few days in a hotel
   我们在一家宾馆住了几天。
3. My flatmate was in at the time
   我的舍友当时在房间里。
4. She looked up anxiously as he came in
   他进来的时候，她焦虑不安地抬起头来看了看。
5. We'd be watching every plane coming in from Melbourne
   我们会密切注意从墨尔本飞来的每架飞机。
6. She thought of the tide rushing in, covering the wet sand
   她想象潮汐涌来，淹没潮湿的沙滩。
7. The light in the window went out
   橱窗里的灯熄灭了。
8. I couldn't bear to see my reflection in the mirror
   我不忍看镜子里自己的样子。
9. He was a big man, smartly dressed in a suit and tie.
   他身材高大，穿着西服打着领带，非常帅气。
10. His legs were covered in mud.
    他的腿上满是泥浆。
11. There was a deep crack in the ceiling above him.
    在他头顶的天花板上有一道很深的裂缝。
12. Don't stick too precisely to what it says in the book.
    不要过分拘泥于书上所说的。
13. Alf offered her a part in the play he was directing
    阿尔夫在他导演的戏中给她安排了一个角色。
14. The New England team are the worst in the league.
    新英格兰队是联盟中最差的队。
15. Export orders improved in the last month
    上个月出口订单增加了。
16. His father had been badly wounded in the last war.
    在上次战争中，他的父亲受了重伤。
17. He walked two hundred and sixty miles in eight days.
    他在8天里走了260英里的路。
18. I'll have some breakfast ready in a few minutes
    几分钟后我就能做点儿早饭出来。
19. The children were assembled in hundreds
    数以百计的孩子们被集合起来。
20. Last year, one in five boys left school without a qualification
    去年，五分之一的男孩没有获得资格证书就离校了。
21. The economy was in trouble
    经济处于困境中。
22. Simpson looked at them in surprise
    辛普森惊讶地看着他们。
23. Violence is not in his nature
    他天性温和。
24. He had all the qualities I was looking for in a partner
    他具有我要找的伴侣应该具备的所有品质。
25. Information is given to the patient verbally and in writing.
    用口头和书面的形式向病人提供信息。
26. The cards need to be laid out in two rows
    这些卡片需要排成两行。
27. He saw something written in black on the gravestones.
    他看见墓碑上有一些黑字写的东西。
28. The movie is nearly two hours in length
    这部电影时长近两个小时。
29. A few years ago jogging was the in thing
    几年前慢跑很流行。
30. In working with others, you find out more about yourself.
    在与别人一起工作的过程中，你会进一步认识你自己。

prep.

in that

• 原因是；因为
  for the reason that; because
  1. She was fortunate in that she had friends to help her.
     她很幸运，有一些朋友帮助她。

adv.

be in at sth

• …发生时在场
  to be present when sth happens
  1. They were in at the start.
     开始时他们在场。

be in for sth

• 即将经历，即将遭受（不愉快的事）
  to be going to experience sth soon, especially sth unpleasant
  1. He's in for a shock!
     他很快就会感到震惊的！
  2. I'm afraid we're in for a storm.
     看来我们就要遇到风暴了。

be/get in on sth

• 参与；了解
  to be/become involved in sth; to share or know about sth
  1. I'd like to be in on the plan.
     我很想参与这项计划。
  2. Is she in on the secret?
     她知道这个秘密吗？

be (well) in with sb

• 和…（十分）友好（很可能从中得到好处）
  to be (very) friendly with sb, and likely to get an advantage from the friendship

in and out (of sth)

• 时常出入
  going regularly to a place
  1. He was in and out of jail for most of his life.
     他大半生的时间都是监狱的常客。

n.

an in to sth

an in to sth

have an in with sb

• 对某人有影响
  to have influence with sb

the ins and outs (of sth)

• （尤指复杂或难的）全部细节，详情
  all the details, especially the complicated or difficult ones
  1. the ins and outs of the problem
     问题的来龙去脉
  2. He quickly learned the ins and outs of the job.
     他很快就掌握了工作的全部诀窍。

noun

1. a unit of length equal to one twelfth of a foot

   Synonym:    inch

adj

1. currently fashionable
   1. the in thing to do
   2. large shoulder pads are in

adv

1. to or toward the inside of
   1. come in
   2. smash in the door

   Synonym:    inwardsinward