catch somebody 's eye . attract somebody 's attention 引人注目

The dress in the window caught her eye when she passed the store，橱窗里的服装吸引了她。

catch sight of . see for a moment；get a glimpse of .看见；发现

I caught sight of her getting on the bus when I came out of the bookstore．我从书店出来时看见她上了公共汽车。

catch up . succeed in pursuing；overtake；follow and finally reach 赶上；追上

You'd better drive faster，because the others are catching up quickly．你最好快点开，别人很快就会赶上来。

You go on ahead；I'll catch you up in a few minutes．你前面走，我将在几分钟内赶上。

There was a ten mile chase before the thieves were caught up by the police car．追了十英里，警察的车子才赶上盗窃犯。

catch up . seize hurriedly；take or pick up suddenly；be dragged into 突然拿起；匆忙抓住；被抱进

He caught up the ball as it rolled along and threw it back．当球向前滚动时，他急忙抓了起来就向后投去。

He caught up a stick and struck out at that man．他急忙抓起一根木棍向那人打去。

catch up .capture or trap … in a situation；concern or interest very much 俘获；卷进；非常关心或极感兴趣（常与in 连用在被动结构中）

His clothing was caught up in the machine．他的衣服被卷进了机器中。

He regretted having been caught up in the affair．他后悔当初卷进了这件事。

I was so caught up in the movie that I forgot the time．我对这部电影入了迷，以至于连时间都忘了。

catch up . adopt 采用；借用

These phrases were caught up and immediately became popular．这些短语已被采用而且很快就流行了。

catch up .provide with the latest information 提供…最新消息

They caught us up on what's happening at the front．他们把前线的最新消息告诉了我们。

catch up .follow and understand 听懂； 理解

They can't catch up what the foreign guest said．他们听不懂外宾讲的话。

catch up with .catch up to .come level with；overtake 赶上

We have a long way to go to catch up with the advanced countries．要赶上先进国家，我们还有漫长的路要走。

He is working hard to catch up to the others after missing a month．缺席了一个月后，他在努力赶上别人。

catch up with .catch up to have the expected ill effect or result on；arrest 对…产生预期的坏影响和结果；逮捕

Excessive drinking and smoking will catch up on you．过度地抽烟喝酒，将会给你带来恶果。

The thieves had gone ten miles before the police caught up with them．窃贼跑了10里之后警察才抓住他。

certain of . sure of 确信；自信

He is certain of winning the game．他确信会赢得这场比赛。

He felt quite certain of success．他对成功胸有成竹。

chance on . chance upon

come across unexpectedly；meet by accident 偶然发现

I chanced on him last week for the first time in years．上周我几年来第一次碰到了他。

I chanced upon the book in a small bookstore．我在一家小书店偶然发现了这本书。

change hands . change ownership（财产等）转手；易手

That shop has changed hands no less than three times during the past three years．在过去3年里，这商店至少转手3次了。

The house has changed hands again．这幢房子又换了主人。

change one's mind . alter one's plan or opinion 改变计划（主意）

She has changed her mind and decided to become a musician．她改变了主意，决定当一名音乐家。

charge for . ask somebody a price for something 要价；收费

How much does the hotel charge for a room？这家旅馆每个房间要多少钱？

He charged us one hundred yuan for this used bicycle．对于这部旧自行车，他向我们要价一百元。

charge off . write off as an expense or loss把…作为消耗或损失注销

The debt was finally charged off after his death．债务最后在他死后被注销了。

The store owner charged off all of the last season's stock of suits．店主把上季度所有库存服装当作损耗处理了。

charge off . attribute 归因于

You can't charge off your mistake to inexperience．你不能把错误归咎于缺乏经验。

charge to . record something to somebody 's debt 把帐记在某人名下

Don't forget to charge the money to my account．不要忘了把钱记在我的帐上。

charge to . lay blame on 归咎于

The manager charged the failure to his negligence．经理将失败归咎于他的疏忽。

charge with . declare that somebody is guilty of 指控

Charles was charged with neglecting his duty．查尔斯被指控玩忽职守。

charge with . entrust somebody with 赋予（…责任）

Who is charged with fulfilling these duties？谁负责完成这些任务？

check in .register in a hotel；report one's arrival 在旅馆登记住宿；报到；签到

Have you checked in at the hotel yet？你在旅馆登记住宿了吗？

We have to check in at the office building at eight．我们必须在八点到办公楼签到。

The friends we had invited did not check in until Saturday．我们邀请的朋友直到星期六才到达。

check in . receive something back and make a record of it 收回；注消；收到登记

I put the books on the library desk，and the librarian checked them in．我把书放在图书馆的柜台上，图书管理员验收了这些书。

We're supposed to check our luggage in before 8：00．我们应在8点钟前交运行李。

You can check your suitcases in at the desk．你们可以把箱子寄存在服务台。