in check . hold back；controlled在控制中； 被阻止

I advise you to hold your temper in check．奉劝你不要发脾气。

Mary couldn't hold her feelings in check any longer and began to cry． 玛丽再也控制不了她的感情而哭 了起来。

in chief . at the head；in or having the highest place or authority 居首；有 最高之权位

He was a commander in chief．他 过去是总司令。

in chief .  most of all； especially主要；尤 其

He has many good points but in chief his modesty．他有很多优点， 其中最主要的是他很谦虚。

He did it for many reasons，and this one is in chief．他所以这样 做，原因很多，这个原因是最主要 的。

in cold blood . cruelly；ruthlessly残酷地；残忍地

The dictator，in cold blood，ordered the execution of all his enemies．那位独裁者残酷地下令将 他所有的敌人处死。

The robbers shot in cold blood everybody who was in their way．抢 劫者残忍地枪杀了所有阻挡他们 的人。

in common . shared equally相同；相似

We have very little in common in our taste．我们的嗜好相同处很 少。

in common . for or by all共有的；公用的

We have everything in common.我 们什么都是共用的。

We have a kitchen in common.我们 的厨房是共用的。

in common with . in the same way as；like相同；相 似

He believed，in common with the majority，that it was true．他同多 数人一样，认为那是真的。

They have nothing in common with each other．他们之间毫无共同之 处。

in comparison with . when compared with同…比较

Yangzhou is much smaller in comparison with Beijing．扬州同北京比起来小多了。

The tallest buildings in London are small in comparison with the skyscrapers in New York．同纽约的摩天大楼比较，伦敦的最高建筑物还是算矮的。

in compliance with . complying with听从；依从；按照

She gave up the idea  in compliance with her parents'desire．她依从父 母的愿望放弃了自己的想法。

They will set up another middle school in this area in compliance with the wishes of the people. 他们将根据人们的愿望在这一地区再另建一所中学。

in conclusion . lastly最后；在结束时

In conclusion，I world like to thank you for your coming to the meeting.最后，我对各位出席这次会议表示感谢。

In conclusion，I'd like to say how much I've enjoyed staying in your beautiful country.最后，我想说说我呆在你们这个美丽的国家里是多么愉快。

in condition . in good health；physically fit健康状况良好；身体条件适合

People who take part in sports must keep in condition.参加体育锻炼的人健康状况一定是好的。

You must train regularly to be in condition.你应该经常锻炼以保持良好的体魄。

 in confidence . secretly；privately秘密地；私下地

I'm telling you this in confidence；please don't tell anyone else.这件事我只告诉你一个人，请别告诉别人。

in conformity with . in agreement，accordance or harmony with；according to；in obedience to；in compliance with同意；遵照；依据；听从

His action was in conformity with the law．他的行为是合法的。

All these are entirely in conformity with the interests and aspirations of the people of our two countries．这一切完全符合我们两国人民的利益和愿望。

We should build our country in conformity with the principle of achieving greater，faster，better and more economical results．我们应按照多、快、好、省的原则建设我们的国家。

in conjunction with . together with与…共同；连用

He runs a store in conjunction with his relative．他同亲戚共同经营一家商店。

 in connection with . regarding；relating to关于；同…有关

He asked many questions in connection with life in Britain．他问了许多有关英国生活的问题。

The meeting is in connection with a proposal to construct a new swimming pool．这个会议是讨论一项建造新游泳池的建议。

We are working on the project in connection with another firm．我们正与另一家公司共同建设这项工程。

in consequence  . as a result； therefore结果

His conduct was bad， in consequence， he was dismissed．他行为不轨，因而被开除了。

You studied hard， and in consequence you passed the test．你学习很努力，所以考试通过了。

in consequence of . as a result of由于…原因

In consequence of the deep snow，school will not open today．由于雪很深，学校今天停课。

In consequence of your bad behaviour I'm forced to dismiss you．由于你行为不轨，我只好解雇你。

in consideration of . after thinking about and weighing；in view of； because of考虑到；由于

In consideration of the boy's young age，the judge did not put him in jail for carrying a gun．考虑到这小孩尚年轻，法官不因他携枪而判他入狱。

They didn't give him heavy work in consideration of his youth．鉴于他年幼，他们不给他繁重的工作。

in consideration of . in return for报酬

We paid him well in consideration of his labour．我们给他优厚的工资，作为他的劳动报酬。

In consideration of the extra work he had done，his boss gave him extra pay．考虑到他做了额外的工作，他的老板付给他额外的酬金。

I presented him with a Chinese painting in consideration of his assistance．我送给他一幅中国画以酬谢他的帮助。