abide by = be faithful to = obey 忠于、遵守
ex: All employees must abide by the company's rules.

be absent from 缺席、不在
ex: Tom is always absent from the gym class.

absence or mind = being absent-minded 心不在焉
ex: Jerry is always absent-minded in English class.

absorb = take up the attention of 吸引....的注意力

be absorbed in = be engrossed in = be lost in = be concentrated on = be focused on = be centered on 全神贯注于
ex: My sister is absorbed in watching TV.
ex: The boy is taking up the attention of the girl.

be abundant in = be rich in = be well supplied with 富于,富有
ex: The dog was rich in many bones.

access to (不可数名词) 能接近，进入，了解

by accident = by chance = accidentally 偶然的，意外

without accident = safely 安全地

of one's own accord = without being asked = willingly = freely 自愿的、主动的

in accord with 与...一致

out of one's accord with 同... 不一致

with one accord = with everybody agreeing 一致的

in accordance with = in agreement with 依照、根据

on one's own account 为了某人的缘故

at one's own risk 自行负责

by oneself 靠自己

on account 赊账

on account of 因为

on no account 不论什么原因也不

of ... account 有...重要性

take ... into account = consider 把...考虑进去

give sb. an account of 说明、解释

account for = give an explanation or reason for 解释说明

on account of = because of 因为、由于

on no account = in no case = for no reason 绝不要、无论如何不要

accuse ... of = charge ... with = blame sb. for sth. = blame sth. on sb. = complain about 指控、控告

be accustomed to = be in the habit of = be used to 习惯于

be acquainted with = to have knowledge of = to have met socially 了解、熟悉

act on 奉行，按照...行动

act as 扮演

act for 代理

adapt oneself to = adjust oneself to 使自己适应

adapt ... for = make sth. suitable for a new need 改变，改写

in addition = besides 此外,又，加之

in addition to = as well as = besides = other than 除... 之外

adhere to = abide by = conform to = comply with = cling to = insist on = persist in = observe = opinion = belief 黏附、坚持、遵循

adjacent = next to = close to 毗邻的，临近的

adjust ... to = change slightly 调节、适应

admit of = be capable of = leave room for ... 的可能， 留有...的余地

in advance = before in time 预告、事先

to advantage 有利的， 使优点更加突出

have an advantage over 胜过

have the advantage of 由于...处于有利条件

have the advantage of sb. 知道某人所不知道的事

take advantage of = make the best of = utilize = make use of = profit from = harness 利用

agree with 赞同

agree to 同意

in agreement with 同意，一致

ahead of 在...之前，超过...

ahead of time 提前

in the air 不肯定，不具体，在传谣中

above all = especially = most important of all 尤其是，最重要的

in all = counting everyone or everything = altogether 总共，总计

after all 毕竟

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

be all in 累极了

all but 几乎

allow for = take into consideration = take into account 考虑到，估计到

amount to = to be equal to 总计

answer for = undertake responsibility for = be liable for = take charge for 对...负责

answer to = conform to 适合、符合

be anxious about = anxious for 为...焦虑不安

apologize to sb. for sth. 为...向...道歉

appeal to sb. for sth. 为某事向某人呼吁

appeal to sb. 对某人有吸引力

apply to sb. for sth. 为...向...申请

apply for 申请

apply to 适用

approve of = consent to = be in favor of = favor = agree to = consider good = right 赞成

approve at 批准

arise from = be caused by 由...引起

arrange for sb./sth. to do sth. 安排...做...

arrive on 到达

arrive at 到达某地（小地方）

arrive in 到达某地（大地方）

be ashamed of = feel shame = guilt or sorrow because of sth. done 以..为羞耻

assure sb. of sth. = try to cause to believe or trust in sth. 向....保证、确信

attach to = to fix = fasten = join 缚、系、结

make an attempt at doing sth(to do sth) 试图做

attend to = give one's attention = care and thought 注意、照顾

attend on/upon = wait upon = serve = look after 伺候、照料

attitude ... to = to believe sth. to be the result of 把...归因于....

on the average = on average = on an average 平均

at the back of = behind 在...后面

be aware of = be conscious of = having knowledge or consciousness 意识到、知道

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 卧床不起

turn one's back on sb. = turn away from sb. in an impolite way 不理睬某人，背弃

behind one's back 背着某人说坏话

be based on /upon 基于

on the basis of 根据...，在...基础上

beat ... at 在...运动项目上打赢

begin with 以... 开始

to begin with = first of all 首先，第一

on behave of = as the representative of 以...名义

believe in = have faith or trust in = consider sht./sb. to be true 相信，依赖、信仰

benefit from 收益，得到好处

for the benefit of 为了... 的利益

for the better 好转

get the better of = defeat sb. 打败、胜过

by birth 在出生上，论出身、按血统

at birth 在出生时

give birth to 出生

blame sb. for sth. 因...责备某人

blame sth. on sb. 把...堆在某人身上

in blossom 开花

be in blossom 开花（强调状态)

come into blossom 开花（强调动作）

on board 到船上、在船上， 上飞机、火车

boast of (about) 吹嘘

out of breath 喘不过气

in brief = in as few word as possible 简而言之

in bulk 成批的，不散装的

take the floor 起立发言

on business 出差办事

be busy with sth. 忙于某事

be busy doing sth. 忙于做某事

last but one 倒数第二

but for = without 要不是

buy sth. for ... money 用多少钱买

be capable of 能够、有能力

be capable of being + 过去分词 是能够被...的

in any case = for love or money = at any rate = at any price = at any cost = whatever happens = anyhow 无论如何

in case = for fear that 万一

in case of = in the event of 如果发生...，万一

in the case of 至于..., 就...而言

in no case 在任何情况下都不

be cautious of 谨防

center one's attention on = focus one's attention on 把某人注意力集中在...上

be certain of = be sure of 有把握、一定

for certain of = for sure 肯定的、有把握的