1.at the thought of一想到
2.as a whole (=in general就整体而论
3.at will 为所欲为
4.(be abundant in(be rich in; be well supplied with富于，富裕
5.access(to 不(可数名词能靠近，进入，认识
6.by accident(=by chance, accidentally有时地，不测 . Without accident(=safely 安全地，
7.of one  ’ s accord(=withoutown being asked; willingly; freely 自发地 , 主动地
8. in accord with 与一致 . out of one’ s accord同with。不一致
9.with one accord (=with everybody agreeing一致地
10.in accordance with (=in agreement with依据，依据
< one  ’ s own account
1 为了某人的缘由，为了某人自己的利益
2 (=at one’ s own自risk行负责
3 (=by oneself依靠自己
12.take into account(=consider把.. 。考虑进去
13.give sb. an account of说明，解说 (原因
14.account for (=give an explanation or reason for解说，说明。
15. on account of (=because of因为，因为。
< no account(=in no case, for no reason绝不要，不论怎样不要 (放句首时
句子要倒装
17.accuse of (=charge with; blame sb. for sth. ; blame sth. on sb. ; complain about 指控，指控
18.be accustomed to (=be in the habit of, be used to习惯于。
19.be acquainted with(=to have knowledge of认识 ; (=to have met socially 熟习
20.act on推行，依据行动 ; act as饰演 ; act for 代理
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别的，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，依据
26.adjacent(=next to, close to毗邻的，邻近的
27.adjust..(to (=change slightly调理 ; 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，预先
< advantage有益的，使长处更为突出地
31.have an advantage over赛过
have the advantage of因为处于有益条件
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 赞成 (某人建议 agree to赞成
四级425相当于100分考多少分34.in agreement (with 赞成，一致
35.ahead of在以前，超出  ;. ahead of time提早
36.in the air 1 不一定，不详细 . 2 在谣传中
37.above all (=especially, most important of all 特别是，最重要的
38.in all (=counting everyone or everything, altogether总合，总计
39.after all 毕竟，究竟 ; (not at all 一点也不 ;
all at once(=suddenly忽然 ; once and for all 只此一次 ; above all 最重要的 ; first
of all 第一 ; all in all 大概上说 ; be all in 累极了 ; all but 几乎
40.allow for (=take into consideration, take into account考虑到，预计到
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 合适，切合。
44.be anxious about为焦虑不安 ; 或 anxious for
45.apologize to sb. for sth.为向致歉
46. appeal to sb. for sth.为某事向某人号召 . 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 合用。
48.apply to 与相关 ; 合用
49.approve of (=consent to, be in favor of, favor, agree to, consider good, right 同意， approve vt. 赞成
50.arise from(=be caused by由惹起。
51.arrange for sb./sth. to do sth安.排做
52.arrive on 抵达 ; arrive at 抵达某地 (小地方 ; 得出，作出 ; arrive in 抵达某地 (大地方 ;
53.be ashamed of (=feel shame, guilt or sorrow because of sth. done以为羞愧
54.assure sb. of sth. (=try to cause to believe or trust in sth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 and注意thought，照
顾 ;attend on(upon(=wait upon, serve, look after服侍，照顾
58. attitude to/ toward对的态度。见解
59.attribute to  (=to believe sth. to be the result把of.。归因于 .., 认为 . 。
是 . 。的结果
< the average (=on average, on an average均匀
61.(be aware of (=be conscious of , having knowledge or consciousness意识到，知道。
62. at the back of (=behind在后边
63. in the back of 在后部 (里面 ; on the back of 在后部 (外面 ; be on one ’ s
back(=be ill in bed 卧病不起。
64. at one’ s back(=supporting or favoring支sb持.，保护; 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 impolite不way搭理 (某人 , 背弃，扔掉
66.behind one  ’ s 背back着某人 (说坏话
67.be based on / upon鉴于
< the basis of依据  , 在基础上
69.beat  在at 运动项目上打赢
70.begin with 以开始 . to begin with (=first of all 第一，第一 (常常用于开始语
< behalf of (=as the representative of以名义
72.believe in(=have faith or trust in; consider sth./sb. to be true相信，依靠，信
仰。
73.benefit (from 得益，获得利处。
74.for the benefit of 为了的利益 (利处
75.for the better 好转
< the better of (=defeat sb打.败，赛过。
77. by birth 在出生上，论出身，按血统at birth 在出生时 ; give birth to 出生