1．in charge负责

2．be supposed to理应；应该

3．it worth it这很值

be worth doing be worthy of being done/to be done it is worthwhile to do/doing 值得做

5．be dressed in穿着

6．participate in/take part in a sport参加活动

jion the army 参军 attend an important meeting 参加会议

7．a sense of happiness幸福感

8．my pleasure 愿意为你效劳（用于做某事之后）

with pleasure (用于做某事之前)

9. in regard to /regarding关于、至于

10.strengthen my determination 加强了我的决心

11. the strengths and weaknesses 优势和劣势

12.be under guarantee 在保修中

　have a year's guarantee有一年的保修

　guarantee sb against the loss 保证某人免受损失

　guarantee sth for some time 保证这个一段时间的质量

　guarantee me to repay the debt 保证归还债务

13.take on 接受、雇佣、呈现、承担

　take down 拆除、记下

　take in 吸收、理解、领会、欺骗

　take off 脱下、起飞、成功

　take up 占据、开始做、从事

14. attain our target 达到我们的目标

be attainable 可达到的

the attainment of one's ambitions 某人的野心

15.polish up 擦亮

　polish a speech/ an article 润色演讲稿、文章

16.it is no use/good doing 做。。。是没有用的

It is useless doing