be

US [bi]
UK [bi]
Simple Present：is  Past Participle：been  

Synonym

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E-C

E-E

Web Definition

be
linkv.
1.
there is/are + noun
有；存在to exist; to be present
Is there a God?
上帝存在吗？
Once upon a time there was a princess…
从前有一位公主…
I tried phoning but there was no answer.
我试打过电话，但没人接。
There's a bank down the road.
沿马路不远有一家银行。
Was there a pool at the hotel?
宾馆里有游泳池吗？
2.
+ noun
（提供名称或信息时用）used when you are naming people or things, describing them or giving more information about them
Today is Monday.
今天是星期一。
‘Who is that?’ ‘It's my brother.’
“那个人是谁？”“是我哥哥。”
She's a great beauty.
她是个大美人。
Susan is a doctor.
苏珊是医生。
He wants to be(= become) a pilot when he grows up.
他想长大后当飞行员。
It's beautiful!
美呀！
Life is unfair.
人生没有公平。
He is ten years old.
他十岁了。
‘How are you?’ ‘I'm very well, thanks.’
“你好吗？”“我很好，谢谢。”
Be quick!
快点！
The fact is (that) we don't have enough money.
事实是我们没有那么多钱。
The problem is getting it all done in the time available.
问题是要在现有的时间内把它全部完成。
The problem is to get it all done in the time available.
问题是要在现有的时间内把它全部完成。
3.
it is/was.+ adj.
（描述情况或表达想法时用）used when you are describing a situation or saying what you think about it
It was really hot in the sauna.
桑拿浴的确很热。
It's strange how she never comes to see us any more.
奇怪，她怎么再也不来看我们了。
He thinks it's clever to make fun of people.
他觉得拿别人开玩笑显得聪明。
It would be a shame if you lost it.
你要是把它丢了就太可惜了。
It's going to be a great match.
这将是一场了不起的比赛。
4.
it is/was.+ noun
（用于表达时间）used to talk about time
It's two thirty.
现在是两点三十。
It was late at night when we finally arrived.
我们最后到达时已是深夜。
5.
+ noun
（表示所用的材料）used to say what sth is made of
Is your jacket real leather?
你的夹克是真皮的吗？
6.
[i]
~ mine, yours, etc.
（表示某物所属）used to say who sth belongs to or who it is intended for
The money's not yours, it's John's.
这钱不是你的，是约翰的。
This package is for you.
这个包裹是给你的。
7.
+ noun
花费；值to cost
‘How much is that dress?’ ‘Eighty dollars.’
“那条连衣裙多少钱？”“八十块钱。”
8.
+ noun
等于；等同to be equal to
Three and three is six.
三加三等于六。
How much is a thousand pounds in euros?
一千英镑合多少欧元？
Let x be the sum of a and b.
设 x 为 a 加 b 之和。
London is not England(= do not think that all of England is like London) .
伦敦并不等于英格兰（不要以为整个英格兰都像伦敦）。
9.
~ everything, nothing, etc. (to sb)
（表示对某人的重要性）used to say how important sth is to sb
Money isn't everything(= it is not the only important thing) .
金钱不是一切（不是唯一重要的东西）。
A thousand dollars is nothing to somebody as rich as he is.
一千元对于像他这么富有的人来说算不上什么。
v.
IDM
大多数含 be 的习语，都可在该等习语中的名词及形容词相关词条找到，如 be the death of sb 在词条 death 下。Most idioms containingbe are at the entries for the nouns and adjectives in the idioms, for examplebe the death of sb is atdeath .
Her career is the be-all and end-all of her existence.
她的事业是她生活中至关重要的事。
the be-all and end-all (of sth)
(informal)
最重要的部分；最要紧的事the most important part; all that matters
Her career is the be-all and end-all of her existence.
她的事业是她生活中至关重要的事。
Jill Davis that was(= before her marriage)
（婚前）姓名为吉尔 ) 戴维斯
the Soviet Union, as was
旧称苏联
as/that was
像以往所称呼的；作为曾用名as sb/sth used to be called
Jill Davis that was(= before her marriage)
（婚前）姓名为吉尔 ) 戴维斯
the Soviet Union, as was
旧称苏联
Someone's been and parked in front of the entrance!
有人居然把车停在大门口！
(he, she, etc. has) been and done sth
(informal)
（表示吃惊和恼怒）used to show that you are surprised and annoyed by sth that sb has done
Someone's been and parked in front of the entrance!
有人居然把车停在大门口！
If it weren't for you, I wouldn't be alive today.
如果不是你，我早就死了。
if it wasnt/werent for…
若不是（某人╱某事）；幸亏used to say that sb/sth stopped sb/sth from happening
If it weren't for you, I wouldn't be alive today.
如果不是你，我早就死了。
Leave her be, she obviously doesn't want to talk about it.
别烦她了，她显然不想谈论这事。
Let the poor dog be(= don't annoy it) .
别逗弄那条可怜的狗了。
leave/let sb/sth be
随…去；不打扰某人╱某事物to leave sb/sth alone without disturbing them or it
Leave her be, she obviously doesn't want to talk about it.
别烦她了，她显然不想谈论这事。
Let the poor dog be(= don't annoy it) .
别逗弄那条可怜的狗了。
his bride-to-be
他的未婚妻
mothers-to-be(= pregnant women)
准妈妈
-to-be
将来future
his bride-to-be
他的未婚妻
mothers-to-be(= pregnant women)
准妈妈
auxv.
1.
（与过去分词连用构成被动语态）used with a past participle to form the passive
He was killed in the war.
他死于这场战争。
Where were they made?
这些东西是在哪里制造的？
The house was still being built.
房子还在建造中。
You will be told what to do.
会有人告诉你该干什么的。
2.
（与现在分词连用构成进行时）used with a present participle to form progressive tenses
I am studying Chinese.
我正在学中文。
I'll be seeing him soon.
我很快就要见到他了。
What have you been doing this week?
你这个星期都在做些什么？
I'm always being criticized.
我总是受到批评。
3.
（用于反意疑问句）used to make question tags (= short questions added to the end of statements)
You're not hungry, are you?
你不饿，对吧？
Ben's coming, isn't he?
本要来，是不是？
The old theatre was pulled down, wasn't it?
老戏院被拆了，对不？
4.
（在被动语态或进行时中代替重复的动词完整形式）used to avoid repeating the full form of a verb in the passive or a progressive tense
Karen wasn't beaten in any of her games, but all the others were.
卡伦没有输掉任何一场比赛，但所有其他人都输过。
‘Are you coming with us?’ ‘No, I'm not.’
“你和我们一起去吗？”“不，我不了。”
5.
~ to do sth
（表示必须或应该）used to say what must or should be done
I am to call them once I reach the airport.
我一到机场就得给他们打电话。
You are to report this to the police.
你应该报警。
What is to be done about this problem?
该如何处理这个问题？
6.
~ to do sth
（表示已安排好要做的事）used to say what is arranged to happen
They are to be married in June.
他们计划于六月份结婚。
7.
~ to do sth
（表示后来发生的事）used to say what happened later
He was to regret that decision for the rest of his life(= he did regret it) .
他终生都会后悔作出了那一决定。
8.
~ not, never, etc. to be done
（表示不会或没有发生时用）used to say what could not or did not happen
Anna was nowhere to be found(= we could not find her anywhere) .
我们到处都找不到安娜。
He was never to see his wife again(= although he did not know it would be so at the time, he did not see her again) .
他注定再也见不到他的妻子了。
She wanted to write a successful novel, but it was not to be(= it turned out never to happen) .
她曾想写一部成功的小说，但从未如愿。
9.
if sb/it were to do sth….were sb/it to do sth…
（表述条件）used to express a condition
If we were to offer you more money, would you stay?
假如我们给你加钱，你愿意留下吗？
Were we to offer you more money, would you stay?
假如我们给你加钱，你愿意留下吗？

Sample Sentence

Definition:
AllAll,有有,等同等同,存在存在,提供名称或信息时用提供名称或信息时用,到场到场,位于位于,在在,发生发生,与过去分词连用构成被动语态与过去分词连用构成被动语态,与现在分词连用构成进行时与现在分词连用构成进行时,是是
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
1.
It would BE irresponsible to turn such a man loose on society.
把这样的人放在社会上不加管束是不负责任的。
bǎ zhè yàng de rén fàng zài shè huì shàng bù jiā guǎn shù shì bù fù zé rèn de 。
dict.ebigear.com
2.
A great life is the result of allocating your time, energy, and hard work towards what you want your life to be.
它需要合理的分配自己的时间、精力、心思，为实现自己的生活目标而努力。
tā xū yào hé lǐ de fēn pèi zì jǐ de shí jiān 、 jīng lì 、 xīn si , wèi shí xiàn zì jǐ de shēng huó mù biāo ér nǔ lì 。
dipan.kekenet.com
3.
Using the blank trace template can be useful when a planned trace does not resemble the configurations of any of the predefined templates.
当计划的跟踪与任何预定义模板的配置都不相符时，使用空跟踪模板会十分有用。
dāng jì huà de gēn zōng yǔ rèn hé yù dìng yì mú bǎn de pèi zhì dōu bù xiāng fú shí , shǐ yòng kōng gēn zōng mú bǎn huì shí fēn yǒu yòng 。
msdn2.microsoft.com
4.
In fact, Christianity was actually banned throughout Japan in the 1600s and continued to be so until the mid 1800s.
事实上，基督教早在17世纪在日本被全面禁止此情形一直延续到19世纪中叶。
shì shí shàng , jī dū jiào zǎo zài shí qī shì jì zài rì běn bèi quán miàn jìn zhǐ cǐ qíng xíng yì zhí yán xù dào shí jiǔ shì jì zhōng yè 。
article.yeeyan.org
5.
Then he begins to be in Home Zhou Xiaopi like an old bitch all round walk back and forth, seek the way of adjacent opportunity and helper.
于是他就开始象一只老母狗一样在周小皮家的周围转来转去，寻找接近的机会和下手的办法。
yú shì tā jiù kāi shǐ xiàng yī zhī lǎo mǔ gǒu yí yàng zài zhōu xiǎo pí jiā de zhōu wéi zhuàn lái zhuàn qù , xún zhǎo jiē jìn de jī huì hé xià shǒu de bàn fǎ 。
www.bing.com
6.
This can be said to be on oahu best swimming site, the waves is about one or two feet high, this pair of children is also very safe.
这里可以说是欧胡岛最佳的游泳地点，海浪大约是一至二英尺高，这对儿童来说也是很安全的。
zhè lǐ kě yǐ shuō shì ōu hú dǎo zuì jiā de yóu yǒng dì diǎn , hǎi làng dà yuē shì yī zhì èr yīng chǐ gāo , zhè duì ér tóng lái shuō yě shì hěn ān quán de 。
en.cnxianzai.com
7.
if society were a state coach, the etiquette would be the wheels and axis, on which only the coach could roll forward.
假定社会是一辆贵宾车，礼仪好比轮子与轴，马车只能靠它们才能滚滚前进。
jiǎ dìng shè huì shì yī liàng guì bīn chē , lǐ yí hǎo bǐ lún zǐ yǔ zhóu , mǎ chē zhǐ néng kào tā men cái néng gǔn gǔn qián jìn 。
blog.sina.com.cn
8.
Devageet, it is not being selfish at all, wanting me to be here for a little while more.
戴维吉特，想要我在这里再多呆一会儿，这根本不是自私。
dài wéi jí tè , xiǎng yào wǒ zài zhè lǐ zài duō dāi yī huì er , zhè gēn běn bú shì zì sī 。
www.zftrans.com
9.
I haven't spoken to Steve McClaren, but it would be a big risk for Steven to play next week for England and push him for that game.
我还没有和斯蒂夫-麦克拉伦沟通，斯蒂芬下周代表英格兰上场的话会有很大的风险。
wǒ hái méi yǒu hé sī dì fū - mài kè lā lún gōu tōng , sī dì fēn xià zhōu dài biǎo yīng gé lán shàng chǎng de huà huì yǒu hěn dà de fēng xiǎn 。
bbs.espnstar.com.cn
10.
When the system maintains its equilibrium, constant K of the equilibrium can be obtained by means of chemical isotherm formulas.
当体系处于平衡时，应用化学等温式就可求算平衡常数K。
dāng tǐ xì chǔ yú píng héng shí , yìng yòng huà xué děng wēn shì jiù kě qiú suàn píng héng cháng shù K 。
www.jukuu.com