/ɪn; ɪn/
adv part (For special uses with many vs 与动词搭配的特殊用法, 如 come in, give in, see the v entries 见有关动词词条.)
1 (to a position) within a particular area or volume （指位置）在里面, 在内
*The top drawer is the one with the cutlery in. 最上面的抽屉是放刀叉的.
* I'm afraid I can't drink coffee with milk in. 我不能喝搀牛奶的咖啡.
* She opened the bedroom door and went in. 她打开卧室的门走了进去.
* The children were playing by the river when one of them slipped and fell in. 孩子们在河边玩耍, 突然其中一个滑了一跤跌进河里.
* The door opened and in walked my father. 门一开, 父亲进来了.
2 (of people) at home or at a place of work （指人）在家或在工作处
*Nobody was in when we called. 我们打过电话, 可是屋里没有人.
* She's usually in by seven o'clock. 她通常七点钟就到家了.
* I'm afraid the manager isn't in today. 经理今天不在. Cf 参看 out 2.
3 (of trains, buses, etc) at the station or terminus （指火车、公共汽车等）在站上或在总站
*The train was in when we got to the station. 我们赶到车站时, 火车已停在站上了.
* It's due in (ie It should arrive) at
6 o'clock. 这班车应在6点钟到达.
4 (of farm animals or crops) brought to the farm from the fields （指家畜或农作物）从田野弄回农场
*The cows will be in for milking soon. 奶牛一会儿就赶回来等待挤奶.
* We need help to get the wheat in. 我们需要人手来帮助抢收小麦.
5 (of the tide) at or towards its highest point on land （指潮汐）上涨或处最高点
*It's one o'clock. The tide must be in. 一点钟了. 潮水准已涨上来了.
* Is the tide coming in or going out? 现在是涨潮还是落潮?
* (fig 比喻) My luck's in I won a new car in a raffle. 我的运气来了--在有奖抽彩中我得了一辆新汽车.
6 (of letters, cards, etc) delivered to the destination; received （指信件、名信片等）投递到, 收到
*Applications must be in by
30 April. 申请书必须在4月30日以前交来.
* Entries should be in on Monday morning. 参加者名单应在星期一上午交来.
7 fashionable; popular 时髦; 入时; 流行
*Miniskirts are (coming) in again. 超短裙又（快）时兴了.
8 (of fruit, fish, etc) on sale or obtainable （指水果、鱼等）上市, 当令, 可买到
*Strawberries are never in for long. 草莓上市的时间从来就不长.
* Do you have any fresh salmon in at the moment? 现在有新鲜大马哈鱼卖吗?
9 elected to office 当选; 执政
*Labour came in after the war. 战後工党开始执政.
* The club president has been in since 1979. 俱乐部主任是自1979年选任的.
10 (sport 体)
(a) (in cricket, baseball, etc) batting （板球、垒球等）击球
*England were in first. 英国队首先击球.
* He had only been in for
10 minutes when Jones bowled him out. 他击球才十分钟就被琼斯投球杀出局.
(b) (in tennis, badminton, etc) (of a ball, etc) having landed inside the line （网球、羽毛球等）（指球）落在界内
*Her service was in. 她发球落入界内.
(c) (of the ball in football, hockey, etc) between and behind the goalposts （指足球、冰球等的球）在球门柱之间或入门
*It's in we've got a goal! 球进了--我们射门得分! Cf 参看 out 16.
11 (of a coal or wood fire) burning （指煤火或柴火）燃烧
*The fire was still in when we got home. 我们到家时, 煤火还在燃烧.
12 (idm 习语) be in for sth (infml 口)
(a) be about to experience (esp sth unpleasant) 即将体验到（尤指不愉快的事物）
*He's in for a nasty shock/surprise! 他就要碰上一件非常糟糕而震惊[意外]的事了!
* I'm afraid we're in for a storm. 看来我们要赶上暴雨了.
(b) having agreed to take part in sth 同意参加某事
*Are you in for this game of whist? 这场惠斯特桥牌你参加吗?
* I'm in for the
1000 metres. 我参加一千米赛跑. be/get in on sth (infml 口) participate in sth; have a share or knowledge of sth 参与某事; 对某事知情
*I'd like to be in on the scheme. 我很想参与这项计画.
* Are you in on her secret? 你知道她的秘密吗? be (well) `in with sb (infml 口) be (very) friendly with sb (and likely to benefit from the friendship) 同某人亲密（且可能从中获益）
*He's well in with the boss. 他和老板关系很密切. have (got) it `in for sb (infml 口) want to take revenge on sb; bear ill will towards sb 欲向某人报复; 对某人不怀好意
*That teacher has always had it in for me. 那位老师总想跟我过不去. ,in and `out (of sth) sometimes in and sometimes out (of a place) 时进时出（于某处）
*He's been in and out of hospital (ie often ill and in hospital) all year. 他一整年经常入院出院.

/ɪn; ɪn/
prep (For special uses with many ns and vs 与名词和动词搭配的特殊用法, 如 in place, in memory of, end in sth, see the n and v entries 见有关名词和动词词条.)
1 (indicating place 表示地方)
(a) at a point within the area or volume of (sth) 在（某事物）的范围内的一点上
*the highest mountain in the world 世界上最高的山
* a country in Africa 非洲的一个国家
* She lives in a small village in France. 她住在法国的一个小乡村里.
* the biggest shop in town 镇上最大的商店
* islands in the Pacific Ocean 太平洋上的岛屿
* children playing in the street 在街上玩耍的孩子
* not a cloud in the sky 天上一朵云彩也没有
* swimming in the pool 在池中游泳
* standing in the corner of a room 站在房间的角落里 (Cf 参看 standing at the corner of the street)
* It's in a drawer. 在抽屉里.
* I read about it in the newspaper. 那件事我是在报上看到的.
* Can you see the dog in the picture? 你看见画里的狗了吗?
(b) within the shape of (sth); enclosed by 在（某物）的形体或范围中; 在...之内; 在...之中
*lying in bed 躺在床上 (Cf 参看 sitting on the bed)
* sitting in a chair, ie an armchair 坐在单座沙发上
* Leave the key in the lock. 钥匙就留在锁孔里吧.
* a cigarette in her mouth 她嘴里叼着的香烟
* What have you got in your hand/pocket? 你手[口袋]里有什么东西?
2 (indicating movement 表示移动) into (sth) 进入（某物）
*He dipped his pen in the ink. 他把钢笔往墨水里蘸了蘸.
* Throw it in the fire. 把它扔到火里去吧.
* She got in her car and drove off. 她进入汽车里把车开走了.
3 during (a period of time) 在（某段时间）内
*in the twentieth century 在二十世纪
* in
1999 在1999年
* in spring, summer, etc 在春天、夏天等
* in March 在三月里 (Cf 参看 on
18 March)
* in the morning/afternoon/evening 在上午[下午/晚上]
* It happened in the past. 这是过去发生的事情. =>Usage at time2 用法见time2.
4 (a) after (a maximum length of time) 在（一整段时间）之後
*return in a few minutes, hours, days, months, etc 过几分钟、几小时、几天、几个月...之後回来
* It will be ready in a week. 一周之後即准备妥当.
* She learnt to drive in three weeks, ie After
3 weeks she could drive. 她用了三个星期学会了开车.
(b) (used after a negative or first, last, etc 用于否定词之後或first、last等词之後) during; for 在某段时间内
*I haven't seen him in years. 我多年没见到他了.
* It's the first/only letter I've had in
10 days. 这是我10天中收到的第一封[唯一的一封]信.
5 forming the whole or part of (sth); contained within 构成（某事物）的整体或部分; 包含在...之内
*seven days in a week 一星期有七天
* eight pints in a gallon 一加仑有八品脱
* There's a cover charge included in the total. 帐单总额里包括服务费.
* I recognize his father in him, ie His character is partly similar to his father's. 我看到他身上有他父亲的某些气质.
6 (indicating ratio 表示比率)
*a slope/gradient of one in five 1:5的坡度[倾斜度]
* taxed at the rate of 15p in the pound 以每镑纳15便士的税率课税
* One in ten said they preferred their old brand of margarine. 有十分之一的人说比较喜欢老牌子的人造黄油.
7 wearing (clothes, colours, etc) 穿戴（衣物等）
*dressed/clothed in rags 穿着[衣着]褴褛
* the man in the hat 戴着帽子的男子
* the woman in white 穿着白色衣服的女子
* in uniform, mourning, disguise, armour 穿着制服、带着孝、戴着伪装、披着铠甲
* in high-heeled shoes 穿着高跟鞋
* in a silk shirt 穿着绸衬衫.
8 (indicating physical surroundings, circumstances, etc 表示具体的环境、情况等)
*go out in the rain, sun, cold, etc 冒着雨、顶着太阳、冒着寒冷等外出.
9 (indicating the state or condition of sb/sth 表示某人[某事物]的状态或状况)
*in order 整齐
* in a mess 乱七八糟
* in good repair 保养良好
* in poor health 健康欠佳
* in a rage 愤怒之中
* in a hurry 匆忙地
* in fun 开玩笑地
* in poverty 在穷困中
* in ruins 呈废墟状态
* in anger, ie angrily 愤怒地.
10 (indicating form, shape, arrangement or quantities 表示形式、形状、安排或数量)
*a novel in three parts 分为三部分的一本小说
* stand in groups 成群地站着
* sit in rows 成排地坐着
* her hair in a pony-tail 她那梳成马尾状的头发
* curtains hanging in folds 挂着的打着褶儿的窗帘
* Tourists queue in (their) thousands to see the tomb. 游客数以千计排着长队参观陵墓.
11 (indicating the medium, means, material, etc 表示媒体、手段、材料等)
*speak in English 用英语说
* write a message in code 用密码写一条消息
* written in biro, ink, pencil, etc 用圆珠笔、墨水、铅笔等写的
* printed in italics, capitals, etc 用斜体字、大写字体等印刷的
* say it in a few words 用几句话来说
* speak in a loud voice 大声地说
* pay in cash 用现金支付 (Cf 参看 by cheque).
12 (used to introduce the name of a particular person 用以引出某人姓名)
*We have lost a first-rate teacher in Jim. 我们失去了吉姆这位一流的教师.
* You've got a real trouble-maker in Wilkins. 你们有个威金斯这个货真价实的捣乱分子.
* You will always find a good friend in me, ie I will always be a good friend to you. 我永远是你的好朋友.
13 with reference to (sth); regarding 在（某）方面; 关于; 至于
*He's behind the others in reading but a long way ahead in arithmetic. 他在阅读方面不如别人, 但算术却遥遥领先.
* lacking in courage 缺乏勇气
* equal in strength 强度一样
* a country rich/poor in minerals 矿藏丰富[贫乏]的国家
* blind in one eye 一目失明
* three feet in length, depth, diameter, etc 长度、深度、直径...为三英尺.
14 (indicating sb's occupation, activity, etc 表示某人的职业、活动等)
*in the army/navy/air force 在陆军[海军/空军]服役
* in business, insurance, computers, journalism, etc 从事商业、保险业、计算机业、新闻业等
* He's been in politics (ie a politician) all his life. 他一生从政.
* killed in action, ie While fighting as a soldier 阵亡
* In (ie While) attempting to save a child from drowning, she nearly lost her own life. 她在抢救溺水的孩子时, 自己几乎丧了命.
15 (idm 习语) in that/ In TEt; In TEt/ (never taking stress 不可重读) for the reason that; because 基于...的理由; 因为
*Privatization is thought to be beneficial in that it promotes competition. 私营化的优点在于能促进相互竞争.

/ɪn; ɪn/
n (idm 习语) the ins and outs (of sth) the details and complexities (of an activity or a procedure) （活动或程序的）细节, 始末, 详情
*know all the ins and outs of a problem 熟悉问题的来龙去脉
* He's been here for years; he should know the ins and outs of the job by now. 他在这里已经很多年了, 现在理应熟悉工作的各种方面了.

abbr 缩写 = (pl unchanged or ins 复数或不变或作 ins) (also symb 符号为 ") inch:
4 in x (ie by)
2 in (4" x 2") 4英寸x2英寸(4" x 2")
* He is
6 ft
2 in (tall). 他身高6英尺2英寸. Cf 参看 ft, yd.

IN
the written abbreviation of Indiana