When he writes， he always keeps a dictionary at hand.
他写作时手边总备有一本词典。
at heart？内心里，本质上
例句
Let’s face it. We’re all romantics at heart.
面对现实吧，实际上我们都是浪漫的人。
at home？在家，在国内
例句
Is our next match at home or away？
我们下一场比赛是在主场进行呢，还是在客场进行？
at intervals？不时，每隔……
例句
At intervals she would stop for a rest.
她不时停下来休息。
at large？详尽的，整个的；（罪犯，动物等）未被捕获的例句
The escaped prisoner is still at large.
越狱犯依然在逃。
at last？终于，最后，到底
例句
At last a compromise was agreed on.
通过互让最终达成折中协议。
at least？至少，最少
例句
You’ll have to wait at least an hour.
你至少得等一个小时。
at length？最终，终于，长时间地，
详细地
例句
Well， we have discussed the matter at length.
这件事我们已经仔细讨论过了。
at most？至多，不超过
例句
At most I might earn $250 a day.
我一天至多可挣250美元。
at no time？在任何时候都不，从不，
决不
例句
At no time should you give up studying.
在任何时候你都不应放弃学习。
at once？立刻，马上；同时
例句
I can’t do two things at once.
我无法同时做两件事。
at one time？曾经，一度；同时
例句
At one time I used to go skiing every winter.
我有一度每到冬季就去滑雪。
at one’s best？在某人的最佳状态；在全盛时期例句
The peach blossoms are at their best now.
桃花正在盛开。
at peace？处于和睦（或平静）状态
例句
But here everything was at peace.
但是这里一切都是这么的平静。
at present？目前，现在
例句
At present she’s working abroad.
她现在在国外工作。
at random？随便地，任意地
例句
Soiled dishes were piled at random.
脏碟子胡乱地堆放着。
at rest？静止，安静；解决
例句
Her words set my mind at rest.
她的话使我放心。
at sea？在海上；茫然，不知所措
例句
I’ll spend three months at sea.
我将在海上度过三个月。
at stake？在危急关头，在危险中，
冒风险
例句
This decision puts our lives at stake.
这么一决定，我们的生命就吉凶难卜了。
at one’s disposal？供某人任意使用，可自行支配例句
Mark had a lot of cash at his disposal.
马克有很多现金可自行支配。
at table？在吃饭
例句
Children must learn to behave at table.
小孩吃饭时必须有规矩。
at the beginning/start？在开头
例句
However the reform is hindered at the beginning.
但是，改革一开始就受到阻碍。
at the cost of？以……为代价
例句
He succeeded only at the cost of his health.
他成功了，但身体却垮了。
at the expense of？由……付费，以……为代价例句
His fame was bought at the expense of health and happiness.
他牺牲了健康和幸福来获得名声。
at the latest？最迟
例句
I should be back by 11 o’clock at the latest.
我应该最晚11点回来。
at the mercy of？受……支配，任凭……摆布例句
The ship was at the mercy of the storm.
那只船在暴风雨中失去控制。
at the moment？此刻，目前
例句
I’m afraid she’s not here at the moment.
我恐怕她现在不在这儿。
at the outset？在开头时
例句
At the outset， it looked like a nice day.
开始的时候，天看上去很晴朗。
at the outside？最多，充其量
例句
It might cost 10 dollars，or 15 dollars at the outside.
这可能要花10美元，顶多15美元。
at the peak of？在……高峰期
例句
I’m at the peak of my condition.
我现在达到了最佳的身体状况。
at the ready？可立即使用的
例句
He stood by the phone， pencil at the ready.
他站在电话旁边，把铅笔准备好了。
at the request of？应……的邀请
例句
I bought it at the request of my father.
我应父亲的要求买了这个。
at the risk of？冒着……的危险
例句
At the risk of sounding stupid， can I ask a question？
冒听上去愚蠢之险，我能问个问题吗？
at the same time？同时，一起；但是，然而
例句
Don’t all speak at the same time.
大家别同时说。
at the worst？在最坏的情况下，
从坏处想
例句
At the worst we’ll have to sell the house so as to settle our debts.
实在没办法我们就得把房子卖了还债。
at this rate？照此速度；照这种情形；既然这样例句
At this rate， we shall soon be bankrupt.
这样下去的话，我们很快就要破产了。
at times？有时，间或
例句
You can be really annoying at times， you know.
你知道吗，你有时候真的很烦人。
at will？任意，随意
例句
You are free to leave the house at will.
你有随意离开这栋房子的自由。
at work？在工作的地方，在干活；在起作用，在运转例句
They were watching the artist at work.
他们看着那个艺术家忙个不停。
attach to？附在……上，把……系在……
例句
You’ll be attached to this department until the end of the year.
你在年底前将暂时属于这一部门。
attend to？注意；专心；照料
例句
Could you attend to this matter immediately？
你能不能立刻处理这件事？
awake to？认识，明白，意识
例句
Are you fully awake to the danger you’re in？
你充分意识到自己所处的危险了吗？
aware of？意识到
例句
It happened without my being aware of it.
事情在我不知不觉中发生了。
B
back and forth？来回地，反复地
例句
She swayed gently back and forth to the music.
她随着音乐轻轻地来回摇摆。
back away？后退，撤退，放弃
例句
He never backed away from difficulties.
他从来没有在困难面前退却过。
back door？后门；秘密途径
例句
Don’t forget to lock （up） the back door.
别忘了锁后门。
back down/off？放弃，打退堂鼓；让步
例句
He was too proud to back down and admit mistakes.
他傲气十足，不肯让步和承认错误。
back of？在……后面
例句
He likes sitting in the back of the class.
他一直喜欢坐在教室的后排。
back out？食言；罢手，退缩
例句
Once you’ve given your word， don’t try to back out.
一旦许下诺言，就不要想反悔。
back to back？背靠背地；（一个接一个）连续例句
Our seats on the train were back to back.
我们在火车上的座位是背靠背的。
back up？后退；拥堵，堵塞；后备，支援；（资料）备份例句
To back up files is tedious work.
把文档备份是一项枯燥无味的工作。
bad blood？怨恨，不满，恶感
例句
He made bad blood between John and Mary.
他在约翰和玛丽之间挑拨离间。
bad debts？坏账
例句
The biggest worry for banks is bad debts.
银行最担心的坏账。
bad luck？倒霉运
例句
Bad luck！ I’ve missed the school bus.
真糟糕，我误了校车了。
bad manners？不礼貌，不规矩
例句
It’s bad manners to stare at people.
瞪着眼睛看人是不礼貌的。
bad news？坏消息；添麻烦的人；倒霉的事情
例句
You seem upset — not bad news， I hope？
你好像很心烦——我希望没有坏消息吧？
bare of？几乎没有，缺乏
例句
The trees were almost bare of leaves.
那些树上几乎没有叶子。
base on/upon？把……建立在，以……为基础
例句
This novel is based on historical facts.
这部小说是以历史事实为根据的。
be a steal？便宜货
例句
The hat is a steal at 10 yuan
这帽子只卖10元，真便宜。
be able to？能够
例句
The child is not yet able to write.
这个孩子还不会写字。
be about to？准备，将要，正打算
例句
As I was about to say， you interrupted me...
我正要说的时候，你插嘴了……
be accustomed to？习惯于……
例句
We were accustomed to working together.
我们习惯于在一起工作。
be all set？准备就绪
例句
Is everything all set for the party？
派对的诸事都准备好了吗？
be available to？可用，可供
例句
Not enough data is available to scientists.
没有足够的资料数据供科学家用。
be becoming？合适，好看
例句
Her short hairstyle is very becoming.
她的短发型很好看。
be bent on？专心致志于
例句
Joyce is bent on buying a new house.
乔伊斯一心想买一套新住房。
be better off？境况较好；较为明智的
例句
You will be better off.
你的状况会好起来的。
be bound for？去，准备去，开往……
例句
The train is bound for Denver.
这趟列车开往丹佛。
be bound to？必定，肯定
例句
The weather is bound to get better tomorrow.
明天天气一定会变好。
be capable of？能够，可以；有做某事的特长或倾向例句
You are capable of doing better than this.
你能做得更好。
be concerned about？关心，挂念
例句
We’re all concerned about her safety.
我们都为她的安全担忧。
be concerned with？关心……，与某事物有关，涉及某事物例句
Her job is concerned with computers.
她的工作和计算机有关。
be determined to？决定
例句
I’m determined to succeed.
我决心要努力获得成功。
be dying to？渴望
例句
She’s dying to know where you’ve been.
她极想知道你到哪儿去了。
be eager to？盼望，渴望
例句
They were eager to do business with us.
他们极想与我们做生意。
be equal to？胜任，相等，合适
例句