1. vary in… 在……方面不同
2. vary from…to… 从…..到……变化
3. vary with 随着….而变化,因….而不同
4. involve sb in… 允许某人参与
5. involve oneself in… 积极参与……
6. be/get involved in… 被卷入到….之中
7. more …than…  与其说…不如说…(强调前者)
He was more an artist than a writer.
8. on guard (保持)警惕;值班,站岗
9. on holiday 度假
on leave 休班
on duty 值班
10. hold up 举起,抬起,承受住,支撑
11. hold back 阻挡
hold on 等会儿, 坚持
hold dow 限制
hold out 维持
12. give away 泄露,出卖,暴露,让步,赠送,捐赠
13. give off 发出(烟、光、热、气味等)
14. give out 发出;放出(消息、声音等);用完,耗尽
15. mind reader 能看透别人心思的人
16. make a deal 达成协议,做成交易
17. communicate with sb 和某人交流
18. be busy with sth 忙于某事
19. shake hands with sb 和某人握手
20. stare at sb/sth 注视着某人/某物
21. stare into the distance 凝视着远方
22. request sb to do sth 要求某人做某事
23. request that sb (should) do…  要求某人做某事
24. make a request for… 要求…..
25. at the request of sb 应某人的请求
= at sb’s request
26. by request(of) 按要求
27. do sb a favour 帮某人一个忙
28. ask sb a favour 请某人帮个忙
29. in favour of 赞成
30. do sb a favor = do a favor for sb 帮某人的忙
31. lift up 举起;太高;吊起
32. ①up and down 上上下下
②up and down 前前后后
= back and forth
= backwards and forwards
③up and down 处处
= here and there
④up and down 来来往往
= to and from
33. by accident 偶然地,无意地