1. abide by(=be faithful to ; obey vt)忠于；遵守。
a) Plese feel assured we will abide by our promise.
2. be absent from…缺席
a) He is seldom absent from school.
3. absence of mind(=being absent-minded) 心不在焉
a) Absence of mind in chemical experiments may cause a serious accident.
4. be absorbed in 全神贯注于…近: be engrossed in ; be lost in ; be rapt in ; be buried in; be concentrated on ; be focused on ; be centered on
a) Newton was so engrossed in his laboratory work that he often forgot to eat. 牛顿全神贯注地在实验室工作,常常连吃饭也忘了。
b) engross      vt 用大字体书写, 使全神贯注,
c) rapt      adj全神贯注的
5. (be) abundant in(be rich in; be well supplied with) 富于,富有
a) abound in place with sth
b) Streams abound with fish河里鱼很多。
c) Birds are abndant in the tall vegetation by the canal.
6. access (to) (不可数名词) 能接近,进入,了解
a) There is no access to the street through that door.
b) 穿过那个门没有通向大街的路。
7. of one’s own accord( willingly)自愿地 ,主动地
a) She knew they would leave of their own accord.
8. in accord with 与…一致  
a) …this military action, taken in accord with United Nations resolutions…
9. out of accord with 同…不一致
10. in accordance(accord) with (=in agreement with) 依照,根据
a) Most people believe they conduct their private and public lives in accordance with
11. with one accord (unanimously) 一致地
a) With one accord they turned and walked back over the grass.
12. in concord      和谐；和睦
a) The two tribes lived in concord. 两部落和睦相处。
13. on one’s own account 为了某人的缘故, 为了某人自己的利益
14. (=at one’s own risk) 自行负责
a) I told him if he withdrew it was on his own account.
15. (=by oneself)依靠自
a) She had plans to set up in business on her own account.
16. on account(credit) 赊账;
a) If you buy something on account, you pay nothing or only part of the cost at first, and pay the rest later.
17. on account of 因为(because of);
a) You use on account of to introduce the reason or explanation for something.
18. on no account不论什么原因也不;
a) On no account should the mixture come near boiling.
19. take sth into account 把……考虑进去
a) The direction of the prevailing winds should be taken into account.
20. give sb an account of 说明, 解释 (理由)
21. account for (=give an explanation or reason for) 解释, 说明
a) The suspect couldn't account for his time that night.
b) 嫌疑犯不能说明那天晚上他的时间安排
22. accuse sb of…(=charge sb with…; blame sb for…; blame sth on sb ; complain about) 指控,控告
a) They were accused of unlawful assembly.
23. be accustomed to doing sth (=be in the habit of doing sth, be used to sth)习惯于
a) I am not accustomed to being interrupted.
24. be acquainted with 了解; 熟悉
a) He was well acquainted with the literature of France, Germany and Holland.
25. act on 履行;
a) Both the Israelis and the Palestinians failed to act on recent UN resolutions. 以巴双方均未能履行联合国近期的决议。
26. act as 担当;
a) Act as an agent to record the accounts.
27. act for 代理
a) He acted for Smith while he was ill.
28. adapt oneself to <situation> (=adjust oneself to)使自己适应于
a) He adapted himself to the cold weather.
b) 他适应了寒冷的天气。
29. adapt…(for) (=make sth Suitable for a new need) 改编, 改写(以适应新的需要)
a) A graded reader is a story which has been adapted for people learning to read or learning a foreign language.
30. in addition 此外, 又, 加之
a) The Met Office Web site provides regional reports, a shipping forecast and gale warnings. In addition, visitors can download satellite images of the UK.
31. in addition to(=as well as, besides, other than)除…外
a) There’s a postage and packing fee in addition to the repair charge.
32. adhere to (=abide by, conform to, comply with, cling to, insist on, persist in, observe<vt>, cleave to) 粘附; 坚持, 遵循
a) I will adhere to this opinion until contrary facts appear.
b) 如果没有相反的事实,我将坚持我的意见。
33. adjust to (=change slightly)调节; 适应;
a) They are unable to adjust themselves to their environment”
34. admit of ( leave room for; allow for)留有…的余地The rules and regulations admit of no other explanation这些规章制度不容许有其他解释。
35. to advantage 有利的,使优点更加突出地
a) The roses were displayed to advantage in a blue vase.
36. have an advantage over 胜过
a) This custom-built kitchen has many advantages over a standard one.
37. take advantage of (=make the best of, utilize, make use of, profit from)欺骗、利用
a) She took advantage of him even after they were divorced.
38. agree to同意, 允诺
a) She agreed to my idea她同意我的想法。
39. agree on      对…意见一致
a) We agree on this count这一点上,我们的意见一致。
40. agree with      一致；相符合
a) I quite agree with what you say. 你所说的我很赞成。
41. Agree with sb.       同意某人的观点
a) I agree with you about the gun situation.
42. in agreement with 同意, 一致
a) Not all scholars are in agreement with her, however.
43. ahead of 在…之前, 超过
a) Our company is ahead of other makers of spare parts for the airplane.
b) 我们公司制造飞机零部件比别家的业绩好。
44. ahead of time 提前
a) This dish may be prepared a day ahead of time and refrigerated.
45. in the air 1)不肯定, 不具体
1. 2)在谣传中
2. 3)到处弥漫
b) Excitement was in the air. 到处充满了兴奋之情
46. above all (=especially, most important of all)      尤其是, 最重要的
a) Above all, do not be too proud to ask for advice.
47. in all       adv. (=altogether) 总共, 总计
a) In all some 15 million people live in the selected areas.
48. after all 毕竟,到底;
a) It has turned out to be a nice day after all.
b) 天气终于转晴了。
49. (not) at all 一点也不;
a) I'm not at all sorry I came, I'm glad!
b) 我来了一点也不遗憾，我很高兴。
50. all at once(=suddenly)突然;
a) I feel terribly sleepy all at once.
b) All at once there was someone knocking on the door
51. once and for all 一劳永逸;
a) The problem can be solved once and for all, if you do that.（如果你那样做，问题就可能一劳永逸地得到解决。）
52. above all 最重要的;
a) Above all, I love Tchaikovsky.
b) 首先，我喜欢柴可夫斯基。
53. first of all 首先;
a) The cut in the interest rates has not had very much impact in California for two reasons. First of all, banks are still afraid to loan.
54. all in all 大体上说;
a) All in all, her condition is greatly improved.
b) 一般说来，她的健康状况大大好转。
55. all but(Nearly; almost:) 几乎
a) all but crying with relief 快乐地差一点大叫起来
56. allow for 考虑到, 估计到
a) We must allow for his inexperience我们必须考虑到他缺乏经验。
57. amount to (=to be equal to) 总计、等同于
a) The banks have what amounts to a monopoly.
b) ...a schoolboy comedy, which amounted to little more than slapstick.
58. answer for (undertake responsibility for, be liable for, take charge for) 对…负责、保证(guarantee)
a) I will answer for the truth of what he has said.
b) 我保证他所说的话是真的。
59. answer to (conform to,compliance with) 适合,符合
a) He doesn't answer to the description of the missing man. 他与所描绘的失踪者的相貌特征不符。
60. be anxious about 为…焦急不安; 或anxious for
a) We are all anxious about/for his safety.
b) 我们都为他的安全而忧虑。
61. apologize to sb for sth 为…向…道歉
a) I apologized to her for stepping on her foot.
b) 我因踩了她的脚而向她道歉。
62. appeal for sth呼吁…、请求
a) to appeal for aid求助
63. appeal to sb 对某人有吸引力
a) Does the film appeal to you?
64. apply for申请
a) I want to apply for the job. 我想申请这项工作。
65. apply to sth = resort to sth与…有关;适用
a) What I have said does not apply to you.
b) 我说的话与你无关。
66. approve of doing(=consent to, be in favor of, favor, agree to, consider good, right)赞成,
a) My parents don't approve of me smoking cigarettes.
b) 我的父母不准许我吸烟。
67. arise from(=result from) 由…引起
a) mistakes that arise from a basic misunderstanding.
b) 出自于基本上是误解的错误
68. arrange for sb to do sth 安排…做…
a) It has been arranged for him by his family to marry a girl of his own class. 他家已就婚姻问题为他做好安排，要他娶一个门当户对的女孩
69. arrive at 到达某地(小地方);得出,作出;
a) We arrived at a decision after much thought.
b) 经过大家反复考虑后做出了决定
c) to arrive at a port 抵达港口
70. arrive in 到达某地(大地方);
a) to arrive at a port 抵达港口
71. be ashamed of 以…为羞耻
a) I behaved badly yesterday and I am ashamed (of myself) now. 我昨天表现不好，我现在感到很惭愧。
72. assure sb of sth 向…保证, 使…确信
a) I assure you its quality. 保证质量
73. attach (to) 缚, 系 ,结
a) We should attach primary importance to the development of economy.我们要把发展经济的工作放在第一位。
74. make an attempt at doing sth (to do sth) 试图做…
a) If you make an attempt to do something, you try to do it, often without success.
75. attend to (=look after) 关注；注意：
a) We'll attend to that problem later.
b) 稍后我们将关注那个问题
c) The staff will helpfully attend to your needs.
76. attend on(upon)(=wait upon, serve) 侍候
a) attend on one's master 侍候主人
77. attitude to/ toward …对…的态度/看法
a) People's attitude towards the skyscrapers varies widely. 人们对这些摩天大楼的态度很不相同。
78. attribute…to…(=to believe sth to be the result of…)把…归因于
a) David attributed his company's success to the unity of all the staff and their persevering hard work.
b) 大卫说他们公司之所以获得成功是由于全体员工的团结和坚持不懈努力工作的结果。
79. on the average (=on average, on an average) 平均
a) On average, American firms remain the most productive in the world.
b) American shares rose, on average, by 38%.
80. be aware of (=be conscious of , beware)意识到
a) I was not aware of the fire. 我没有意识到火。
81. in the back of在...后面 支持, 主使
a) Actor Hugh Grant was caught with his pants down when he was having sex with a prostitute in the back of his car.
82. on the back of 在…后部(外面);
a) A guy is reading his paper when his wife walks up behind him and smacks him on the back of the head with a frying pan.
83. be on one’s back(=be ill in bed) 卧床
a) He lay on his back, with his hands crossed under his head.他仰面躺着,头枕着手。
84. at one’s back(=supporting or favoring sb) 支持
a) Don’ t talk about other’ s at his
back.
b) A:Tom should learn to look after himself.
c) B:Yeah,he can’t always have us at his back.
85. have sb at one’s back 有…支持, 有…作后台
86. behind one’s back 背着某人(说坏话)
a) Don't speak evil of a man behind his back．
b) 不要在背后说人坏话。
87. turn one’s back on sb (=close one’s eye to sb) 不理睬(某人),背弃,抛弃
a) If the world turns its back on you, you turn your back on the world.
88. be based on / upon 基于
a) This news report is based entirely on fact.
b) 这篇新闻报导是完全根据实际情况写成的。
89. on the basis of 根据…, 在…基础上
a) On the basis of the above results, we may establish attractor viewpoint of process of the long-range atmosphere and climate.
90. begin with 以…开始
a) Knowledge begin with practice. 认识从实践开始。
91. To begin with (=firstly) 首先, 第一(经常用于开始语)
a) To begin with, we must consider the faculties of the staff all-sidedly.首先,我们必须全面地考虑全体员工的素质。
92. on behalf of以…名义
a) Secret Service officer Robin Thompson spoke on behalf of his colleagues.
93. believe in (=have faith or trust in; count on) 相信,依赖,信仰
a) I don't believe in the story.
b) 我不相信这件事。;我不相信这个故事。
94. benefit (from) 受益,得到好处
a) We benefit from daily exercises.
b) 我们得益于每天做操。
95. for the benefit of 为了…的利益(好处)
a) in the interests of 符合…的利益
b) It is not his fault. He did it for your benefit.
这不是他的过错。他是为了你的利益才这样做的。
c) All the donations are for the benefit of the disabled children.
所有的捐款都是为了帮助残疾儿童。
96. for the better 好转
a) Her condition took a turn for the better.
b) 她的情况有所改善
97. get the better of (=defeat sb) 打败, 智胜
a) The devil begins to get the better of him by furnishing him with reasons for self-approval.
98. by birth 在出生上,论出身,按血统
a) Iococca is Italian by birth although he was born in the United States.
b) 雅可虽然生在美国,但父母是意大利人。
99. give birth to 出生
a) A hobby that gave birth to a successful business.
100. blame sb for sth 因…责备某人
a) blame sth on sb 把…推在某人身上
b) Don't blame it on him, but on me.
c) 别怪他,该怪我。
d) They blamed the secretary for the delay of the plan.
e) 他们怪罪秘书造成计划延误。