1.allow for(=take into consideration，take into account)考虑到，估计到
2.amount to(=to be equal to)总计，等于
3.answer for(undertake responsibility for，be liable for，take charge for)对…负责.
4.answer to(=conform to)适合，符合
5.be anxious about 为…焦急不安; 或anxious for
6.apologize to sb. for sth. 为…向…道歉
7.appeal to sb. for sth. 为某事向某人呼吁;appeal to sb. 对某人有吸引力
8.apply to sb. for sth. 为…向…申请;apply for申请;apply to 适用
9.apply to 与…有关;适用
10.approve of(=consent to，be in favor of，favor，agree to，consider good，right)赞成;approve to 批准
11.arise from(=be caused by)由…引起.
12.arrange for sb. sth. to do sth. 安排…做…
13.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);
14.be ashamed of(=feel shame，guilt or sorrow because of sth. done)以… 为羞耻
15.assure sb. of sth.(=try to cause to believe or trust in sth.)向…保证，使…确信
16.attach(to)(=to fix，fasten;join)缚，系 ，结
17.make an attempt at doing sth.(to do sth.)试图做…
18.attend to(=give one's attention，care and thought)注意，照顾;
19.attend on(upon)(=wait upon，serve，look after)侍候，照料
20.attitude to toward …对…的态度.看法
21.attribute…to…(=to believe sth. to be the result of…)把..归因于...，认为...是...的结果
