21. all the same 仍然,照样的
22. all the time 一直,始终
23. angry with sb. at/about sth.生气,愤怒
24. anxious about/for忧虑,担心
25. anything but 根本不
26. apart from 除...外(有/无)
27. appeal to 吸引，申诉，请求
28. applicable to适用于
29. apply to适用
30. appropriate for/to适当,合适
31. approximate to近似,接近
32. apt at聪明,善于
33. apt to易于
34. around the clock夜以继日
35. as a matter of fact 实际上
36. as a result(of) 因此,由于
37. as a rule 通常,照例
38. as far as ...be concerned 就...而言
39. as far as 远至,到...程度
40. as follows 如下
41. as for 至于,关于
42. as good as 和...几乎一样