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VERB
知道；知悉；了解
If you know a fact, a piece of information, or an answer, you have it correctly in your mind.
例句
I don't know the name of the place...
我不知道那個(gè)地方的名字。
I know that you led a rifle platoon during the Second World War...
我知道你在二戰(zhàn)期間率領(lǐng)一個(gè)步槍排。
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VERB
熟識；認(rèn)識
If you know someone, you are familiar with them because you have met them and talked to them before.
例句
Gifford was a friend. I'd known him for nine years...
吉福德是我的一位朋友。我和他認(rèn)識9年了。
Do you two know each other?...
你們倆互相認(rèn)識嗎？
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VERB
聽說過；略有耳聞
If you say that you know of something, you mean that you have heard about it but you do not necessarily have a lot of information about it.
例句
We know of the incident but have no further details...
我們聽說過這件事，但對詳情不是很清楚。
The president admitted that he did not know of any rebels having surrendered so far...
總統(tǒng)承認(rèn)據(jù)他所知迄今為止還沒有反叛者投降。
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VERB
了解，掌握（某一學(xué)科）
If you know about a subject, you have studied it or taken an interest in it, and understand part or all of it.
例句
Hire someone with experience, someone who knows about real estate...
雇傭有經(jīng)驗(yàn)、了解房地產(chǎn)業(yè)的人。
She didn't know anything about music but she liked to sing.
雖然她對音樂一無所知，但卻愛唱歌。
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VERB
學(xué)會，掌握（語言）
If you know a language, you have learned it and can understand it.
例句
It helps to know French and Creole if you want to understand some of the lyrics...
如果你想讀懂一些抒情詩，學(xué)點(diǎn)法語和克里奧爾語是有幫助的。
Rachel already knows as many words in German as she does in English...
雷切爾掌握的德語詞匯已經(jīng)和她掌握的英語詞匯一樣多了。
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VERB
熟悉；了解
If you know something such as a place, a work of art, or an idea, you have visited it, seen it, read it, or heard about it, and so you are familiar with it.
例句
No matter how well you know Paris, it is easy to get lost...
不管你對巴黎多么熟悉，也很容易迷路。
I don't know the play, I've just come to see it.
我不了解這部劇，只是來看看。
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VERB
會；能
If you know how to do something, you have the necessary skills and knowledge to do it.
例句
The health authorities now know how to deal with the disease...
衛(wèi)生部門現(xiàn)在知道如何對付這種病了。
We know what to do to make it work.
我們知道如何讓它起作用。
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VERB
意識到；覺察到
You can say that someone knows that something is happening when they become aware of it.
例句
Then I saw a gun under the hall table so I knew that something was wrong...
后來我看到大廳的桌子下有一把槍，我就意識到有些不對勁兒。
The first I knew about it was when I woke up in the ambulance.
當(dāng)我從救護(hù)車中蘇醒過來時(shí)才知道發(fā)生了什么事。
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VERB
認(rèn)出；辨認(rèn)出
If you know something or someone, you recognize them when you see them or hear them.
例句
Would she know you if she saw you on the street?...
如果她在大街上看到你，能認(rèn)出你嗎？
I thought I knew the voice.
我覺得在哪里聽過這聲音。
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VERB
稱為；叫做
If someone or something is known as a particular name, they are called by that name.
例句
The disease is more commonly known as Mad Cow Disease...
這種疾病更通俗的名稱是瘋牛病。
He was born as John Birks Gillespie, but everyone knew him as Dizzy...
他本名為約翰·伯克斯·吉萊斯皮，但人人都叫他“小迷糊”。
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VERB
認(rèn)為…是；把…看作是
If you know someone or something as a person or thing that has particular qualities, you consider that they have those qualities.
例句
Lots of people know her as a very kind woman...
很多人認(rèn)為她是個(gè)非常善良的女人。
We know them as inaccurate and misleading property descriptions...
我們認(rèn)為對性狀的這些描述是不準(zhǔn)確的，且會使人產(chǎn)生誤解。
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VERB
（因某工作或角色）認(rèn)識
If you know someone as a person with a particular job or role, you are familiar with them in that job or role, rather than in any other.
例句
Most of us know her as the woman who used to present the television news...
我們大多數(shù)人認(rèn)識她是因?yàn)樗鞒诌^電視新聞節(jié)目。
The soldiers — all of whom we knew as neighbours — stood around pointing guns at us.
那些士兵——我們都視之為鄰居的人——站在四周用槍指著我們。
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PHRASE
現(xiàn)行的；我們熟悉的；我們熟知的
If you talk about a thing or system as we know it, you are referring to the form in which it exists now and which is familiar to most people.
例句
He planned to end the welfare system as we know it.
他計(jì)劃終止現(xiàn)行的福利制度。
...those values of our culture that are essential to civilisation as we know it.
我們文化中那些構(gòu)成我們所熟悉的文明社會之根基的價(jià)值觀
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PHRASE
（花時(shí)間）了解
If you get to know someone, you find out what they are like by spending time with them.
例句
The new neighbours were getting to know each other...
新鄰居之間正在互相了解。
I'd really like to see you again and get to know you better.
我很愿意再次見到你并且更多地了解你。
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PHRASE
誰知道；天曉得
People use expressions such as goodness knows ,Heaven knows, and God knows when they do not know something and want to suggest that nobody could possibly know it.
例句
'Who's he?' — 'God knows.'
“他是誰？”——“天曉得。”
Old Gunga spoke God knows how many languages...
老貢嘎會說很多種語言，天曉得有多少種。
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CONVENTION
（表示同意）我理解，我有同感，我知道
You say 'I know' to show that you agree with what has just been said.
例句
'This country is so awful.' — 'I know, I know.'
“這個(gè)國家太糟糕了。”——“的確是，的確是。”
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CONVENTION
（表示接受）我知道
You say 'I know' to show that you accept that something is true, but think that it is not very important or relevant.
例句
'There are trains straight from Cambridge.' — 'I know, but it's no quicker.'
“有直接從劍橋開出的列車。”——“我知道，但也不快。”
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PHRASE
（表示同情和理解）我理解，我知道
You use 'I know' to express sympathy and understanding towards someone.
例句
I'm sorry, George. I know how you feel...
我很遺憾，喬治。我理解你的感受。
I know what you're going through.
我知道你正在經(jīng)受什么樣的煎熬。
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PHRASE
不知道，不認(rèn)為（表示不完全同意或不認(rèn)為是真的）
You can use I don't know to indicate that you do not completely agree with something or do not really think that it is true.
例句
'He should quite simply resign.' — 'I don't know about that.'
“他就該辭職。”——“我不知道。”
I don't know that it's made the decision any easier.
我不認(rèn)為這對作出決定有絲毫幫助。
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PHRASE
我不知道你（們）怎么想（表示將表達(dá)自己想法并想知道他人的看法）
You can say 'I don't know about you' to indicate that you are going to give your own opinion about something and you want to find out if someone else feels the same.
例句
I don't know about the rest of you, but I'm hungry...
我不知道你們怎么樣，但我是餓了。
I don't know about you, but I've had just about enough of this.
我不知道你怎么想，但我已經(jīng)受夠了。
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PHRASE
（表示批評某人的行為）真想不到，真不知道
You use I don't know in expressions which indicate criticism of someone's behaviour. For example, if you say that you do not know how someone can do something, you mean that you cannot understand or accept them doing it.
例句
I don't know how he could do this to his own daughter...
真想不到他竟對自己的女兒這樣。
I don't know how you can say that...
真想不到你竟說那話。
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PHRASE
我要是知道就好了；我根本不知道
People sometimes use expressions such as I'm blessed if I know or damned if I know to emphasize the fact that they do not know something.
例句
'What was that all about?' — 'Damned if I know.'
“那都是關(guān)于什么的？”——“我要知道就好了。”
I'm damned if I know what plans he has in that direction.
我壓根不知道他在那方面有什么計(jì)劃。
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PHRASE
知情；（尤指）熟悉內(nèi)幕，掌握內(nèi)情
If you are in the know about something, especially something that is not known about or understood by many people, you have information about it.
例句
It was gratifying to be in the know about important people...
了解重要人物的一些內(nèi)幕真令人高興。
He takes crucial decisions without consulting people in the know.
他沒有咨詢相關(guān)知情人士就作了重要的決定。
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CONVENTION
（表示所說的話對方理解）你是知道的，你知道我的意思
You can use expressions such as you know what I mean and if you know what I mean to suggest that the person listening to you understands what you are trying to say, and so you do not have to explain any more.
例句
None of us stayed long. I mean, the atmosphere wasn't — well, you know what I mean...
我們都沒呆太久。我的意思是，氣氛并不是——唔，你知道我的意思。
She was a bit stuck up, know what I mean?
她有點(diǎn)自命不凡，你明白我的意思吧?
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CONVENTION
（指可能會發(fā)生好事）很難說，很難預(yù)料
You say 'You never know' or 'One never knows' to indicate that it is not definite or certain what will happen in the future, and to suggest that there is some hope that things will turn out well.
例句
You never know, I might get lucky...
很難說，我也許會交好運(yùn)呢。
There might be an even bigger one — I doubt it, but you never know.
可能還有個(gè)比這還要大的——我覺得有點(diǎn)懸，但也很難說。
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CONVENTION
據(jù)我所知沒有
You say 'Not that I know of' when someone has asked you whether or not something is true and you think the answer is 'no' but you cannot be sure because you do not know all the facts.
例句
'Is he married?' — 'Not that I know of.'
“他結(jié)婚了嗎？”——“據(jù)我所知沒有。”
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PHRASE
我怎么知道；我不知道
You can say 'How was I to know?', or in British English 'I wasn't to know', to mean that you cannot be blamed or criticized for something you did, because you did not have enough information to realize that it was wrong.
例句
How was I to know you'd return so suddenly?...
我怎么知道你會這么突然就回來?
You weren't to know — in fact, I think I'm the only person who does know.
你不會知道——實(shí)際上，我想我是唯一真正知道的人。
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PHRASE
（某人）知道什么，懂什么（表示其沒有資格評論）
You can use expressions such as What does she know? and What do they know? when you think that someone has no right to comment on a situation because they do not understand it.
例句
Don't listen to him, what does he know?...
別聽他的，他知道什么？
I always felt his attitude was, 'What do you know about it?'
我感覺他總是那種“你懂什么？”的態(tài)度。
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EXCLAM
（表示驚訝）你看怪不怪，真沒想到
People sometimes say 'What do you know!' when they are very surprised about something.
例句
Well, what do you know!
哎呀，真沒想到！
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CONVENTION
（加強(qiáng)語氣或引起注意）你要知道
You use you know to emphasize or to draw attention to what you are saying.
例句
The conditions in there are awful, you know...
你要知道，那里的條件很艱苦。
You know, it does worry me.
你要知道，這實(shí)在讓我擔(dān)心。
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CONVENTION
（表示不確定要說的話或考慮接著說什么）你知道
People use you know when they are uncertain about what they are saying or what they are going to say next.
例句
He's generous and, you know, very nice, very polite...
他很大方而且，你知道，很友善，很有禮貌。
I thought I'd, you know, have a chat with you.
我想我應(yīng)該，呃，和你談?wù)劇?/i>
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CONVENTION
（表示進(jìn)一步解釋）你是知道的，你難道不知道
You use you know when you are trying to explain more clearly what you mean, by referring to something that the person you are talking to knows about.
例句
Wear the white dress, you know, the one with all the black embroidery.
穿那件白裙，你知道的，上面有黑色刺繡的那件。
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PHRASE
（加強(qiáng)語氣）你不知道，你都想不到
You can say 'You don't know' in order to emphasize how strongly you feel about the remark you are going to make.
例句
You don't know how good it is to speak to somebody from home.
你不知道和家鄉(xiāng)來的人說說話感覺有多好。