1、severe 替换掉serious（严重的）a severe water shortage严重缺水

2、wealthy 替换掉 rich （ 富裕的）

3、beneficial 替换掉 good （有益的）

4、undesirable 替换掉 bad （不好的，不受欢迎的）

5、nevertheless 替换掉 however/but（然而，不过）

6、fundamental / significant/vital /crucial 替换掉 important（ 重要的）

7、relevant 替换掉 related （有关的）....is highly relevant to.......

8、extraordinary/amazing 替换掉 surprising （惊人的，非凡的）

9、provided/providing （that）替换掉 if （如果.....）

10、on condition that替换掉 as long as

11、promote /strengthen 替换掉 improve （提高，加强）

12、cope with 替换掉 solve（ 解决）

13、motivate 替换掉 encourage（ 激励）

14、pros and cons 替换掉 advantages and disadvantages（好处和坏处）

--You must consider all the pros and cons　of the matter before you make a decision.在你做决定之前，必须考虑这个问题的正反两个方面.

15、approach / method 替换掉 way（方法，方案）

16、adopt 替换掉 use （采用，采取）

17、the aged 替换掉 old people（老人）

18、adolescents 替换掉 the young （青少年）

19、employment/occupation 替换掉 job（就业,工作）

20、affair 替换掉 thing （事情，东西）

21、catastrophe 替换掉（ disaster 灾难）

22、subscribe to 替换掉 agree with（ 同意）

23、acquire 替换掉 gain （获得（尤指知识上的））

24、administration 替换掉 government （政府部门）

25、extremely/desperately 替换掉 very/hard （非常地，极度地，拼命地）

26、for instance 替换掉 for example （例如）

27、advocate 倡导 替换掉 suggest, propose

28、compensate for替换掉make up弥补.....

29、Hence 替换掉so 因此

30、A vast amount of 大量的　替换掉　a lot of

31、be abundant in 富有... 替换掉 be rich in

32、on ones own account 为了某人自己的利益

33、on account of/ in view of 鉴于， 由于

34、authentic 替换掉true真实的，可信的

35、devote替换spend

36、nothing but\anything but替换very

37、be supposed to 替换should

38、appreciate 替换thank

39、On+名词/doing, No sooner…than…/Hardly…when…//The moment替换as soon as

--As soon as he arrived, he began his research. →

--On his arrival, he began his research..

--No sooner had we arrived at the cinema than the film started.

40、due to替换because of

41、contribute to替换 be helpful/useful/cause

--Plenty of memory work will undoubtedly contribute to English study.

42、round the corner 替换 coming soon/ nearby

--The summer vacation is round the corner ( coming).

43、come up with替换think of

44、It occurrs to me that…替换 I realize

45、set aside替换save

46、be of + n. 替换adj.

47、can not but / can not help but替换have to do

48、more often than not替换usually

49、lest替换so that /in order that

50、be long for sth. / be long to do sth. 替换want to do sth./wish for

51、be crazy about/be absorbed in/be addicted to替换be interested in

52、perfect (ly)/fantastic/amazing 替换good/ very well

53、do sb a/the favor 替换help

54、the other day替换a few days ago

--The other day my brother and I went to the cinema by bicycle.

55、in the course of替换during

56、the majority of替换most

57、consist of替换be made up of

58、be worn out替换 be tired / broken

59、nevertheless替换however

60、spare no efforts to do替换try one’s best to do

61、many a 替换many

62、meanwhile替换at the same time

63、occasionally替换sometimes /once in while

64、seldom替换not often

65、as a matter of fact 替换in fact