1. 1 by(=be faithful to ; obey)忠于；遵守。
2. be absent from…. 缺席，不在
3. absence or mind(=being absent-minded) 心不在焉
4. absorb(=take up the attention of)吸引…的注意力(被动语态):be absorbed in 全神贯注于…近:be 2 in ; be lost in ; be rapt in ;be concentrated on ; be focused on ; be centered on
5. (be) abundant in(be rich in; be well supplied with) 富于,富有
6. access(to) (不可数名词) 能接近,进入,了解
7. by accident(=by chance, accidentally)偶然地,意外. without accident(=safely) 安全地,
8. of one’s own accord(=without being asked; willingly; freely)自愿地 ,主动地
9. in accord with 与…一致 . out of one’s accord with 同….不一致
10. with one accord (=with everybody agreeing)一致地
11. in accordance with (=in agreement with) 依照,根据
12. on one’s own account 1) 为了某人的缘故, 为了某人自己的利益 2)(=at one’s own risk) 自行负责 3)(=by oneself)依靠自己 on account 赊账; on account of 因为; on no account不论什么原因也不;of …account 有…..重要性.
13. take…into account(=consider)把...考虑进去
14. give sb. an account of 说明, 解释 (理由)
15. account for (=give an explanation or reason for) 解释, 说明.
16. on account of (=because of) 由于,因为.
17. on no account(=in no case, for no reason)绝不要,无论如何不要(放句首时句子要倒装)
18. accuse…of…(=charge…with; blame sb. for sth. ; blame sth. on sb. ; complain about) 指控,控告
19. be accustomed to (=be in the habit of, be used to)习惯于.
20. be acquainted with(=to have knowledge of) 了解; (=to have met socially) 熟悉
21. act on 奉行,按照…行动; act as 扮演; act for 代理
22. adapt oneself to(=adjust oneself to) 使自己适应于
23. adapt…(for) (=make sth. suitable for a new need) 改编, 改写(以适应新的需要)
24. in addition (=besides) 此外, 又, 加之
25. in addition to(=as well as, besides, other than)除…外
26. adhere to (=abide by, conform to, comply with, cling to, insist on, persist in, observe, opinion, belief ) 粘附; 坚持, 遵循
27. adjacent(=next to, close to) 毗邻的, 临近的
28. adjust..(to) (=change slightly)调节; 适应;
29. admit of (=be capable of, leave room for) …的可能，留有…的余地.
30. in advance (before in time) 预告, 事先.
31. to advantage 有利的,使优点更加突出地.
32. have an advantage over 胜过. have the advantage of 由于…处于有利条件 have the advantage of sb.知道某人所不知道的事
33. take advantage of (=make the best of, 3, make use of, profit from, harness)利用.
34. agree with 赞同(某人意见) agree to 同意
35. in agreement (with) 同意, 一致
36. ahead of 在…之前, 超过…;……………. ahead of time 提前.
37. in the air 1)不肯定, 不具体. 2)在谣传中.
38. above all (=especially, most important of all) 尤其是, 最重要的.
39. in all (=counting everyone or everything, altogether) 总共, 总计
40. after all 毕竟,到底; (not) at all 一点也不; all at once(=suddenly)突然; once and for all 只此一次; above all 最重要的; first of all 首先; all in all 大体上说; be all in 累极了; all but 几乎.
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