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一、 名词词组和固定搭配 1.介词+名词 by accident 偶然
We met each other by accident without having dated in advance. 我们碰巧遇到对方，没有事先约定。 on account of 因为，由于，为了……的缘故
On account of his illness,he took a rest at home and didn't go to school. 因为他病了，所以他呆在家里休息，没有去上课。 in addition to 另外，加之
In addition to singing,I also like dacing. 除了唱歌外，我也喜欢跳舞。 in addition 除…之外(还)
I like singing.In addition,I also like dacing. 我喜欢唱歌，除此之外，我还喜欢跳舞。 in the air 流传中
The rumor is in the air, and no body can stop it! 谣言正在流传，而且没有人能够阻止它！ on (the／an) average 按平均值，通常
On (the／an) average,most of people have to depend on themselves to succeed! 大部分人通常不得不靠自己成功！ on the basis of 根据，在…的基础上
On the basis of my own experience,I made this decision。 我根据自己的经验做出了这个决定。 at best 充其量，至多
He is not very good at this subject,so he can't get a high mark and just can pass it at
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best.
他不是非常擅长这个科目，所以无法取得高分，充其量只能及格。 for the better 好转，向好的方向发展
A careful treatment makes his health for the better. 精心的照料使他的身体越来越好。 on board 在船(车或飞机)上
We saw him off on the port,and he said goodbye to us on board. 我们在港口送他，而他在船上向我们告别。
out of breath 喘不过气来
The first time he saw her,he was out of breath,beause she was amazing! 他第一次见她时，都喘不过气来了，因为她太迷人了！ on business 因公，因事
She stays in Tokyo on business just for 2 days,so she has no time to go shopping. 她因公只呆在东京两天，所以她没有时间去购物。 in any case 无论如何，不管怎样
Although today I am very busy,in an case,today is your birthday,so I must come to your party.
虽然今天我很忙，但不管怎样，今天是你的生日，所以我一定会来你的派对。 in case of 假如，如果发生；防备
You should bring the umbrella in case of being caught by the heavy rain. 你应该带上伞，以免被大雨淋湿 in case 假使，以防(万一)
You should bring the umbrella in case you are caught b the heavy rain. 你应该带上伞，以免被大雨淋湿。 in no case 决不，无论如何不
With out his permission,I go out in no case! 没有他的允许，我绝不出去！
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by chance 偶然，碰巧
We met each other by chance without having dated in advance. 我们碰巧遇到对方，没有事先约定。 in charge (of) 负责，管理 She is in charge of the project. 她负责这个项目。
in the charge (of) 被负责，被管理 The project is in the charge of her. 这个项目由她负责。 日夜不停地
The deadline is coming,so she is working (a)round the lock. 最后限期快到了，所以她正在日夜不停地工作。 in common 共用的，共有的
We are attracted by each other,because we have something in common. 我们互相吸引对方，是因为我们有共同之处。 in conclusion 最后，总之
After having thought it over many times,in conclusion,he decided to quit. 在深思熟虑很多次以后，最后，他决定退出。 on condition (that) 如果
On condition that you need help,please turn to me. 如果你需要帮助，请来找我。
in consequence of 由于…的缘故，因为
In consequence of his illness,he took a rest at home and didn't go to school. 因为他病了，所以他呆在家里休息，没有去上课。 on the contrary 正相反
He thought he must have failed in the exam.On the contrary，he passed it.
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他原以为他考试肯定没有及格，但正相反的是，他通过了。 in contrast with／to 与…对比起来，与…形成对比
In contrast with／to the ex-boyfriend,this man is more wothy relying. 与过去的男朋友相比，这个男人更加值得信赖。 out of control 失去控制
His love for her has been out of control,which makes her in danger! 他对她的爱已经失去控制，这让她很危险！ under control 处于控制之下
Don't be worried,because everything is under control. 别担心，每件事都在控制之中. at all costs 不惜任何代价，无论如何 I will save you at all costs！ 我将不惜任何代价救你！ at the cost of 以…为代价
He saved her at the cost of his life. 他以生命为代价救了她。
in the course of 在…过程中，在…期间
In the course of our talking,I found you were absent-minded. 在我们谈话期间，我发现你心不在焉。 of course 当然，自然
He is hard-working.Of course,he should be successful. 他很努力，所以他当然应该成功。 in danger 在危险中，垂危
His love for her has been out of control,which makes her in danger! 他对她的爱已经失去控制，这让她很危险！
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out of danger 脱离危险
After the doctors'first aid,he has been out of danger. 经过医生们的急救，他已经脱离了危险。 out of date 过时的，不用的
The dress is out of date,so I should buy a new one. up to date 现代化的，切合目前情况的 His suggestion is up to date,so we adopt it. 他的建议切合目前的情况，所以我们采纳它。 in demand 非常需要的，受欢迎的
Your offer is in demand,so we thank you very much! 您的提供是非常必要的，所以我们非常感谢您！
in debt 欠债，负债
He is in debt,so he earns money very hard. 因为他欠债，所以他非常努力地赚钱，
in detail 详细地
Please tell me your experience in detail. 请详细地告诉我你的经历。 in difficulties 处境困难
If you learn English in difficulties,please turn to me! 如果你们学英语有困难，请找我帮忙！ have difficulties in... 在...有困难
If you have difficulties in learning English ,please turn to me! 如果你们学英语有困难，请找我帮忙！ in the distance 在远处
He shouted to you in the distance！