21. adapt oneself to(=adjust oneself to)使自己适应于

　　22. adapt...(for) (=make sth. Suitable for a new need)改编， 改写(以适应新的需要)

　　23. in addition (=besides)此外， 又， 加之

　　24. in addition to(=as well as, besides, other than)除...外

　　25. adhere to (=abide by, conform to, comply with, cling to, insist on, persist in, observe, opinion, belief )粘附;坚持，遵循

　　26. adjacent(=next to, close to)毗邻的， 临近的

　　27. adjust..(to) (=change slightly)调节;适应;

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

　　29. in advance (before in time)预告， 事先

　　30. to advantage有利的，使优点更加突出地

　　31. 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

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

　　33. agree with赞同(某人意见)agreeto同意34. in agreement (with)同意， 一致

　　35. ahead of在...之前， 超过...;................ ahead of time提前

　　36. in the air 1)不肯定， 不具体.2)在谣传中

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

　　38. in all (=counting everyone or everything, altogether)总共， 总计

　　39. after all毕竟，到底; (not) at all一点也不;all at once(=suddenly)突然;onceandforall只此一次; above all最重要的;firstofall首先;allinall大体上说;beallin累极了; all but几乎

　　40. allow for (=take into consideration, take into account)考虑到， 估计到