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; 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
40. allow for (=take into consideration, take into account) 考虑到，估计到
41. amount to (=to be equal to) 总计， 等于。
42. answer for (undertake responsibility for, be liable for,take charge for) 对…负责。
43. answer to (=conform to) 适合，符合。
44. be anxious about 为…焦急不安; 或anxious for
45. apologize to sb. for sth. 为…向…道歉
46. appeal to sb. for sth. 为某事向某人呼吁. appeal to sb。对某人有吸引力
47. apply to sb. for sth. 为…向…申请; apply for申请; apply to适用。
48. apply to 与…有关;适用
49. approve of (=consent to, be in favor of, favor, agree to,consider good, right) 赞成， approve vt. 批准
50. arise from(=be caused by) 由…引起。
51. arrange for sb./sth. to do sth. 安排…做…
52. arrive on 到达; arrive at 到达某地(小地方);得出，作出; arrive in到达某地(大地方);
53. be ashamed of (=feel shame, guilt or sorrow because of sth.done) 以…为羞耻
54. assure sb. of sth. (=try to cause to believe or trust insth。) 向…保证， 使…确信。
55. attach(to) (=to fix, fasten; join) 缚， 系，结
56. make an attempt at doing sth. (to do sth。)试图做…
57. attend to (=give one’s attention, care andthought)注意，照顾;attend on(upon)(=wait upon, serve, look after)侍候，照料
58. attitude to/ toward …对…的态度。看法
59. attribute…to…(=to believe sth. to be the resultof…)把.。归因于.., 认为.。是.。的结果
60. on the average (=on average, on an average)平均
61. (be) aware of (=be conscious of , having knowledge orconsciousness)意识到，知道。
62. at the back of (=behind) 在…后面
63. in the back of 在…后部(里面); on the back of 在…后部(外面); be onone’s back(=be ill in bed) 卧病不起。
64. at one’s back(=supporting or favoring sb。) 支持，维护; have sb.at one’s back 有…支持， 有…作后台
65. turn one’s back on sb. (=turn away from sb. in an impoliteway) 不理睬(某人)，背弃，抛弃
66. behind one’s back 背着某人(说坏话)
67. be based on / upon 基于
68. on the basis of 根据…, 在…基础上
69. beat…at 在…运动项目上打赢
70. begin with 以…开始. to begin with (=first of all) 首先，第一(经常用于开始语)