clever at . skillful in doing擅长于

She is clever at solving mathematical problems．她擅长解答数学问题。

cling to .hold tight to；try to keep；stick to抓住；固守；紧贴

The child clung to its mother．那孩子紧贴着母亲。

cling to .remain faithful；hold on to忠于；坚持不放

Many people still cling to the old customs and beliefs．许多人仍然固守旧习惯和信仰。

That idea has been proved wrong．Why do you still cling to it？那种观点已被证明是错误的，你为什么还要坚持？

close down . cease doing business；stop operating关门；停业

The little shop on the street corner has closed down．街角上的那家小店已经停业了。

The factory closed down for Christmas．为了过圣诞节，那家工厂暂时停产。

close down . stop broadcasting停止广播

The station is now closing down and we wish you all good night．节目到此结束，祝大家晚安。

close down on  . put a stern curb on 严厉取缔；镇压

Gambling must be closed down on．必须严厉取缔赌博。

Close down on the drug traffic！禁止贩毒！

close in  approach接近

Evening is closing in．夜幕降临。

They wanted the boat to reach shore before the fog closed in．他们要求船在大雾降临前到岸。

The militiamen gradually closed in on the besieged enemy agents．民兵渐渐地逼近被包围的敌特分子。

close to . very near在…附近；接近

There is a swimming pool close to my house．我家附近有个游泳池。

close to .  almost几乎

She is close to tears．她几乎哭了。

The boy came close to falling off the high wall．那孩子差点从高墙上掉下来。

close up .block or shut；seal堵住；封住

The opening in the wall has now been closed up．墙上的洞被堵住了。

We must close up the old well．It's too dangerous．我们必须把这口旧井封起来，它太危险了。

close up .heal up ；close completely愈合

Don't worry．Your wound is closing up nicely．不要担心，你的伤口愈合得很好。

This kind of ointment will help to close up your burns．这种药膏会有助于你烧伤伤口的愈合。

close up . shut up停业；关闭

Business declined to such an extent that the store closed up last month．生意清淡到这个地步，那家商店上个月只好关门大吉。

The shop is closing up．I must ask you to leave．商店就要关门了，我只好请你们离开。

close up .  come or bring closer together in a line or lines把队伍靠紧

The sergeant told the men to close up their ranks．军士命令士兵把队伍排紧些。

coincide with  与…一致；与…相符

Their opinions coincide with ours．他们的意见和我们的意见一致。

My religious beliefs don't coincide with his．我的宗教信仰与他的不同。

colour up  脸红

Mary coloured up when she heard her boyfriend's name mentioned．听到有人提起男朋友的名字，玛丽脸红了。

When I complimented her，she coloured up a bit and said it was nothing really．我夸奖她时，她有点脸红，说那实际上不值得一提。

colour up exaggerate夸大，渲染

Some journalists like to colour their stories up with lurid details of people's private lives．有些记者喜欢渲染人们私生活的一些俗艳故事细节。

come short of .fall short of .be less than；not good enough for 少于；不及；未达

His speech came short of my expectation．他的演说有负于我的期望。

Her monthly income falls short of her needs．她的月收入不够用。

come about  .（of a ship or wind）change direction转向

It was so stormy that the ship had to come about and head for the harbour．风浪太大，船不得不调转航向，朝港口驶去。

come about  . happen；occur发生

How did it come about that the man is dismissed？那个人被解雇了，怎么回事？

The argument came about because they were talking about politics．争论是因为他们谈论到政治而引起的。

come across . cross a road，bridge，etc．穿过（路、桥等）

Don't come across the street when there is heavy traffic．车子多的时候不要过街。

come across . find or meet by chance偶然发现或碰到

I came across this old photograph when looking for a book yesterday．我昨天找书的时候，偶然发现了这张早年的照片。

come across . arise in mind浮现在脑海中

It came across my mind that I had met her before．我记得以前曾见过她。

A good idea came across my mind．我的脑海中有了一个好主意。

come across . give or do what is demanded or requested提供所要求的东西；交出

They'll come across a sum of money．他们将提供一笔钱。

The robber told the girl to come across with her purse．强盗要那女孩交出钱包。

come across . succeed in producing a desired effect；be understood and received well by others起到预期的效果；被理解；效果好

The speaker spoke for a long time but I am afraid his meaning did not come across．那位演讲人讲了很久，但是他的意思恐怕没有人会理解。

Your speech came across very well；everyone understands your opinion now．你的发言清楚明了，现在大家都理解你的观点了。