6、catch vt.捉;抓住 vi.接住

We didn't catch anything. 我们什么也没有钓著。

catch up 赶上 

He shut himself away for a month to catch up on his academic work.他与世隔绝一个月，力图把功课赶上去。

catch on 勾住，绊倒

catch at 想抓住

A drowning man will catch at a straw. 溺水者见草也要抓;急何能择。

be caught in the rain 被雨淋

catch up with 赶上某人，补上工作

7、clear a.清澈[晰]的 vt.清除

It is said it will clear up tonight. 天气预报说今晚雨就会停。

clear up (天气)转晴，澄清事实，整理收拾

It is said it will clear up tonight. 天气预报说今晚雨就会停。

clear away 清除掉，去掉，消散

clear off 消除(积雪)等障碍，把……拆掉，擦掉，清除

8、come vi.到来; 变得; 到达

May I come in? 我能进来吗?

come across 偶然发现，偶然遇到

come on 快点(口)，开始，到来，举行，走吧，一起去

Oh，come on now. 噢 别这样了。

come at 向……扑过来，向……袭击

We may come at another time.我们可以另找个时间来。

come down 倒下，(温度，价格)下降，病倒

come forward 涌现，主动地响应要求做某事

come in 进来，上市

And have you had an engineer come in to do an inspection? 你们可有一个工程师来做过检查吗

come from 来自于

I come from Japan. 我来自日本。

come out 出来，出发，结果

Did Mitchell Johnson's review come out yet? Mitchell Johnson的评论出来了没有 ?

come to 苏醒，总共，达到，得到谅解

When will he come to see you? 他什么时候来看你?

come up sb 走进

come up 种子生长发育，被提出

I'll come up with something. 我会想出个办法的。

come to one's rescuers 帮助

come true 实现

I know，but it's still a dream come true. 我知道 但这终究是一个梦想实现了。

9、cut v.割，切，削减，切断

They cut patches 剪下布块

cut sth in half 把……砍成两半

cut away 切除

He cut away a dead branch.他砍掉一根枯干的树枝。

cut through 走近路，剌穿

cut down 砍倒，减少，压缩(开支)