21. act on 奉行,按照…行動; act as 扮演; act for 代理

　　22. adapt oneself to(=adjust oneself to) 使自己適應于

　　23. adapt…(for) (=make sth. Suitable for a new need) 改編, 改寫(以適應新的需要)

　　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, pe rsist in, observe, opinion, belief ) 粘附; 堅持, 遵循

　　27. adjacent(=next to, close to) 毗鄰的, 臨近的

　　28. adjust..(to) (=change slightly)調節; 適應;

　　29. admit of (=be capable of, leave room for) …的可能，留有…的余地.

　　30. in advance (before in time) 預告, 事先.

　　31. to advantage 有利的,使優點更加突出地.

　　32. have an advantage over 勝過. have the advantage of 由于…處于有利條件 have the advantage of sb.知道某人所不知道的事

　　33. take advantage of (=make the best of, utilize, make use of, profit from, harness)利用.

　　34. agree with 贊同(某人意見) agree to 同意

　　35. in agreement (with) 同意, 一致

　　36. ahead of 在…之前, 超過…;……………. ahead of time 提前.

　　37. in the air 1)不肯定, 不具體. 2)在謠傳中.

　　38. above all (=especially, most important of all) 尤其是, 最重要的.

　　39. in all (=counting everyone or everything, altogether) 總共, 總計

　　40. after all 畢竟,到底; (not) at all 一點也不; 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 大體上說; be all in 累極了; all but 幾乎.

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