know
know 英 [nəʊ] 美 [noʊ]
vt. 知道；认识；懂得 vi. 了解；熟悉
进行时:knowing 过去式:knew 过去分词:known 第三人称单数:knows 名词复数:knows
Do you know that boy? 你认识那个男孩吗?
I know what you are after. 我知道你在追求什么。
- To know something means to have a piece of information or a certain understanding of something. If someone tells you their phone number and you remember it, you know.
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- vt. 知道；认识；懂得
- vi. 了解；熟悉
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1. Do you know that boy?
你认识那个男孩吗?
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2. I know what you are after.
我知道你在追求什么。
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3. I know exactly how you feel.
我非常清楚你的感受。
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4. I've known David for 20 years.
我认识戴维已有 20 年了。
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5. He knew (that) he could trust her.
他确信她是可以信赖的。
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6. She is known for her work on the human brain.
她在对人脑的研究方面最为知名。
- know (n.) "inside information," 1883, in in the know, from know (v.) Earlier it meant "knowledge, fact of knowing" (1590s).
- know (v.) Old English cnawan (class VII strong verb; past tense cneow, past participle cnawen), "perceive a thing to be identical with another," also "be able to distinguish" generally (tocnawan); "perceive or understand as a fact or truth" (opposed to believe); "know how (to do something)," from Proto-Germanic *knew- (source also of Old High German bi-chnaan, ir-chnaan "to know"), from PIE root *gno- "to know."
know ★ / nəʊ ; NAmE noʊ / verb , noun know knows knew knowing known verb ★ ( knew / njuː ; NAmE nuː / known / nəʊn ; NAmE noʊn / ) ( not used in the progressive tenses 不用于进行时 ) have information 知悉 1 ★ [transitive , intransitive ] to have information in your mind as a result of experience or because you have learned or been told it 知道；知悉；了解 knowsth ◆ Do you know his address? 你知道他的地址吗？ ◆ The cause of the fire is not yet known. 火灾的原因尚不清楚。 ◆ All I knowis that she used to work in a bank (= I have no other information about her). 我只知道她曾在银行工作过。 know(that)… ◆ I know (that) people's handwriting changes as they get older. 我知道人们的笔迹随着年龄的增长而变化。 it is known that… ◆ It is widely known that CFCs can damage the ozone layer. 众所周知氯氟烃会破坏臭氧层。 knowwhere, what, etc… ◆ I knew where he was hiding. 我知道他藏在哪里。 ◆ I didn't know what he was talking about. 我不知道他在谈什么。 know(of/about sth) ◆ ‘You've got a flat tyre.’ ‘I know.’ “你的车胎瘪了。”“我知道。” ◆ ‘What's the answer?’ ‘I don't know.’ “答案是什么？”“我不知道。” ◆ ‘There's no one in.’ ‘ How do you know?’ “一个人都没有。”“你怎么知道呢？” ◆ You know about Amanda's baby, don't you? 你知道阿曼达的小宝宝吧？ ◆ I don't know about you, butI'm ready for something to eat. 不管你怎么样，反正我要吃点东西。 ◆ I know ofat least two people who did the same thing. 我知道至少有两人干过同样的事。 ◆ ‘Is anyone else coming?’ ‘ Not that I know of.’ “还有别的人要来吗？”“据我所知没有了。” ◆ ‘Isn't that his car?’ ‘ I wouldn't know./How should I know?’ (= I don't know and I am not the person you should ask.) “那不是他的汽车吗？”“我怎么会知道呢？” ◆ ( informal) ‘What are you two whispering about?’ ‘ You don't want to know.’ (= because you would be shocked or wouldn't approve). “你们俩在说什么悄悄话？”“你还是不知道的好。” knowto do sth ◆ Does he know to come here (= that he should come here)first? 他知道要先到这儿来吗？ knowsb/sth to be/do sth ◆ We know her to be honest. 我们知道她很诚实。 ◆ Two women are known to have died. 据悉两名妇女死了。 ☞see also need-to-know realize 意识到 2 ★ [transitive , intransitive ] to realize, understand or be aware of sth 认识到；懂得；意识到 know(that)… ◆ As soon as I walked in the room I knew (that) something was wrong. 我刚走进屋就意识到出了事。 ◆ She knew she was dying. 她知道自己快死了。 knowwhat, how, etc… ◆ I knew perfectly well what she meant. 我完全懂她的意思。 ◆ I know exactly how you feel. 我非常清楚你的感受。 know(sth) ◆ This case is hopeless and he knows it (= although he will not admit it). 这个案子毫无希望，这一点他是清楚的。 ◆ ‘Martin was lying all the time.’ ‘ I should have known.’ “马丁一直在撒谎。”“我本该察觉到的。” feel certain 确信 3 ★ [transitive , intransitive ] to feel certain about sth 确信；确知；肯定 know(that)… ◆ He knew (that) he could trust her. 他确信她是可以信赖的。 ◆ I know it's here somewhere! 我肯定它在这儿某个地方！ ◆ I don't know that I can finish it by next week. 我没有把握能在下周完成。 know(sth) ◆ ‘You were right—someone's been spreading rumours about you.’ ‘I knew it!’ “你说得对，有人一直在散布你的谣言。”“我早就知道！” ◆ ‘She's the worst player in the team.’ ‘Oh, I don't know (= I am not sure that I agree)—she played well yesterday.’ “她是最糟的队员。”“哦，是吗？她昨天表现可不错。” ☞see also don't-know be familiar 熟悉 4 ★ [transitive ] knowsb/sth to be familiar with a person, place, thing, etc. 熟悉；认识；了解 ◆ I've known David for 20 years. 我认识戴维已有 20 年了。 ◆ Do you two know each other (= have you met before)? 你们俩认识吗？ ◆ She's very nice when you get to knowher. 你了解她以后就会觉得她非常可爱。 ◆ Knowing Ben,we could be waiting a long time (= it is typical of him to be late). 本这个人我们了解，能叫我们等很长时间。 ◆ This man is known to the police (= as a criminal). 这男人是在警方挂了号的。 ◆ I know Paris well. 我很熟悉巴黎。 ◆ Do you know the play (= have you seen or read it before)? 你知道这出戏吗？ ◆ The new rules could mean the end of football as we know it (= in the form that we are familiar with). 这些新规则可能意味着我们熟悉的足球终结了。 reputation 名声 5 ★ [transitive , usually passive ] to think that sb/sth is a particular type of person or thing or has particular characteristics 把…看作是；认为…是 knowsb/sth as sth ◆ It's known as the most dangerous part of the city. 人们都认为那是市内最危险的地段。 knowsb/sth for sth ◆ She is best known for her work on the human brain. 她在对人脑的研究方面最为知名。 knowsb/sth to be/do sth ◆ He's known to be an outstanding physicist. 他被公认为杰出的物理学家。 give name 命名 6 ★ [transitive ] knowsb/sth as sth [usually passive ] to give sb/sth a particular name or title 将…称为；把…叫做 ◆ The drug is commonly known as Ecstasy. 这种致幻药通常称作摇头丸。 ◆ Peter Wilson, also known as ‘the Tiger’ 彼得 · 威尔逊，也称“老虎”。 recognize 认出 7 ★ [transitive ] knowsb/sth to be able to recognize sb/sth 能认出；能辨认出 ◆ I couldn't see who was speaking, but I knew the voice. 我看不到谁在讲话，但我能辨认出声音。 ◆ She knows a bargain when she sees one. 她一看就知道有没有便宜可捡。 ☞synonyms at identify distinguish 区分 8 [transitive ] knowsb/sth from sb/sth to be able to distinguish one person or thing from another 能区分；能分辨 SYN differentiate ◆ I hope we have taught our children to know right from wrong. 我希望我们教给了孩子分辨是非的能力。 skill/language 技能；语言 9 ★ [transitive ] to have learned a skill or language and be able to use it 学会；掌握 knowsth ◆ Do you know any Japanese? 你会日语吗？ knowhow, what, etc… ◆ Do you know how to use spreadsheets? 你知道电子数据表的使用方法吗？ experience 经历 10 [transitive ] ( only used in the perfect tenses 仅用于完成时 ) to have seen, heard or experienced sth 看到过；听到过；经历过 knowsb/sth (to) do sth ◆ I've never known it (to) snow in July before. 我以前从未见到过七月份下雪。 be known to do sth ◆ He has been known to spend all morning in the bathroom. 听说他整个上午都待在浴室里。 11 [transitive ] knowsth to have personal experience of sth 亲身体验；亲身经历 ◆ He has known both poverty and wealth. 他贫富生活都亲身经历过。 ◆ She may be successful now, but she has known what it is like to bepoor. 她现在算是成功了，但她尝过贫穷的滋味。 IDIOMS before you know where you ˈare very quickly or suddenly 瞬息之间；转眼间；一下子 ◆ We were whisked off in a taxi before we knew where we were. 还没等我们弄清怎么回事，出租车就一阵风似地把我们带走了。 be not to ˈknow to have no way of realizing or being aware that you have done sth wrong 无从知道，并不知道（做错了事） ◆ ‘I'm sorry, I called when you were in bed.’ ‘Don't worry—you weren't to know.’ “对不起，你睡觉时打电话打扰你了。”“别在意，你不是故意的嘛。” for all you, I, they, etc. know ( informal) used to emphasize that you do not know sth and that it is not important to you （强调不知道对自己无关紧要的事）不知道，说不定，亦未可知 ◆ She could be dead for all I know. 她说不定已经死了。 God/goodness/Heaven knows ( informal) 1 ★ used to emphasize that you do not know sth （强调不知道）谁知道，天晓得 ◆ God knows what else they might find. 谁知道他们还可能找到什么。 ◆ ‘Where are they?’ ‘Goodness knows.’ “他们在哪儿？”“天晓得。” HELP Some people may find the use of God knowsoffensive. 有人可能认为用 God knows 含冒犯意。 2 used to emphasize the truth of what you are saying （强调所言属实）老天作证，确实，的确 ◆ She ought to pass the exam—goodness knows she's been working hard enough. 她应该考合格，她可真够努力了。 I don't know how, why, etc… ( informal) used to criticize sb's behaviour （批评某人的行为）真想不到，真不知道 ◆ I don't know how you can say things like that. 真想不到你怎么会说出这种话来。 I know ( informal) 1 ★ used to agree with sb or to show sympathy （表示同意或同情）我理解，我有同感，我知道 ◆ ‘What a ridiculous situation!’ ‘I know.’ “这境况真荒唐！”“的确是。” 2 ★ used to introduce a new idea or suggestion （引出新的想法或建议）我有个主意（或办法、建议） ◆ I know, let's see what's on at the theatre. 我有主意了，咱们看看剧院在上演什么。 know sth as well as ˈI do used to criticize sb by saying that they should realize or understand sth （用以批评）其实完全明白，哪会不知道，知道得很清楚 ◆ You know as well as I do that you're being unreasonable. 其实你完全明白你是在故意胡搅蛮缠。 know sb/sth ˈbackwards ( informal) ( especially BrE) to know sb/sth extremely well 对…了如指掌（或倒背如流）；把…背得滚瓜烂熟 ◆ She must know the play backwards by now. 她现在对这个剧本肯定是倒背如流。 know ˈbest to know what should be done, etc. better than other people 最懂得，最知道，比谁都明白（该怎么做等） ◆ The doctor told you to stay in bed, and she knows best. 医生叫你卧床休息，她最清楚你该怎么做。 know better (than that/than to do sth) to be sensible enough not to do sth 明白事理（而不至于）；不至于糊涂到 ◆ He knows better than to judge by appearances. 他明白得很，决不会凭表面现象来判断。 know sb by ˈsight to recognize sb without knowing them well 与某人面熟 know ˈdifferent/ˈotherwise ( informal) to have information or evidence that the opposite is true 所知道的不是那么回事；所掌握的情况大不一样（或大相迳庭） ◆ He says he doesn't care about what the critics write, but I know different. 他说他并不在乎批评家的评论，可我知道不是那么回事。 know full ˈwell to be very aware of a fact and unable to deny or ignore it 非常清楚；不可否认；不可忽视 ◆ He knew full well what she thought of it. 他非常清楚她对此事的看法。 know sb/sth inside ˈout | know sb/sth like the back of your ˈhand ( informal) to be very familiar with sth 对…极为熟悉（或了如指掌） ◆ This is where I grew up. I know this area like the back of my hand. 我在这儿长大的，我对这地方再熟悉不过了。 know your own ˈmind to have very firm ideas about what you want to do 知道自己想做什么；有主见 know your ˈstuff ( informal) to know a lot about a particular subject or job 精通业务；对工作很内行 know your way aˈround to be familiar with a place, subject, etc. 熟悉周围情况（或课题等） know what you're ˈtalking about ( informal) to have knowledge about sth from your own experience 亲身经历过；作经验之谈 know which side your ˈbread is buttered ( informal) to know where you can get an advantage for yourself 知道自己的利益所在 let it be known/make it known that… ( formal) to make sure that people are informed about sth, especially by getting sb else to tell them （尤指通过他人传达而）使人知晓，让人知道 ◆ The President has let it be known that he does not intend to run for election again. 总统已经公开表示他不打算再次参加竞选。 ★ let sb ˈknow to tell sb about sth 让某人知道；告诉（或通知）某人 ◆ Let me know how I can help. 我能帮什么忙，只管说。 make yourself ˈknown to sb to introduce yourself to sb 向某人作自我介绍 ◆ I made myself known to the hotel manager. 我向旅馆老板作了自我介绍。 not know any ˈbetter to behave badly, usually because you have not been taught the correct way to behave （因缺乏教养而）表现不好；因无人指教而举止不良 not know your ˌarse from your ˈelbow ( BrE) ( taboo, slang) to be very stupid or completely lacking in skill 愚蠢之至；屁都不懂 not know ˈbeans about sth ( NAmE) ( informal) to know nothing about a subject 完全不懂行；对…一窍不通 not know the first thing aˈbout sb/sth to know nothing at all about sb/sth 对…一无所知；对…一窍不通 not know sb from ˈAdam ( informal) to not know at all who sb is 根本不认识某人；与某人素不相识 not know what ˈhit you ( informal) to be so surprised by sth that you do not know how to react 因吃惊而不知所措；惊呆了 not know where to ˈlook ( informal) to feel great embarrassment and not know how to react 尴尬得不知如何是好；狼狈不堪；感到很难堪 not know whether you're ˈcoming or ˈgoing ( informal) to be so excited or confused that you cannot behave or think in a sensible way （激动得）不知如何是好；糊里糊涂；不知所措 not know you are ˈborn ( BrE) ( informal) to have an easy life without realizing how easy it is 身在福中不知福 ◆ You people without kids don't know you're born. 你们没孩子，真是身在福中不知福啊。 there's no ˈknowing used to say that it is impossible to say what might happen 难以预料；无从知道；没法说 ◆ There's no knowing how he'll react. 很难预料他会有什么样的反应。 what does… know? used to say that sb knows nothing about the subject you are talking about （某人）知道什么，懂什么 ◆ What does he know about football, anyway? 不管怎么说，他懂什么足球？ what do you ˈknow? ( informal) used to express surprise （表示惊奇）你看怪不怪，真没想到 ◆ Well, what do you know? Look who's here! 唷，真想不到！你看谁来啦！ ˌyou ˈknow ( informal) 1 ★ used when you are thinking of what to say next （说话人考虑接着说什么时用） ◆ Well, you know, it's difficult to explain. 唉，你知道，这很难解释。 2 ★ used to show that what you are referring to is known or understood by the person you are speaking to （表示对方知道或了解所言）你知道的 ◆ Guess who I've just seen? Maggie! You know—Jim's wife. 你猜我刚才看见谁了，玛吉！你知道的，就是吉姆的妻子。 ◆ You know that restaurant round the corner? It's closed down. 拐角那家餐馆，你知道吧？已经倒闭了。 3 ★ used to emphasize sth that you are saying （加强语气）你要知道 ◆ I'm not stupid, you know. 你要知道，我不是傻子。 you ˈknow something/ˈwhat? ( informal) used to introduce an interesting or surprising opinion, piece of news, etc. （引出令人感兴趣或吃惊的看法、消息等）要我告诉你吗，你听说了吗 ◆ You know something? I've never really enjoyed Christmas. 要我告诉你吗？圣诞节我从未真正快乐过。 you know ˈwho/ˈwhat ( informal) used to refer to sb/sth without mentioning a name （不说出名称）你知道是谁（或什么） ★ you never know ( informal) used to say that you can never be certain about what will happen in the future, especially when you are suggesting that sth good might happen （尤指可能会发生好事）很难说，很难预料 ☞more at answer n. , cost n. , day , devil , far adv. , lord n. , old , pat adv. , rope n. , thing , truth noun IDIOM in the ˈknow ( informal) having more information about sth than most people 知情；熟悉内幕；掌握内情 ◆ Somebody in the know told me he's going to resign. 有知情者告诉我他要辞职了。 know / nəʊ ; NAmE noʊ / knew / njuː ; NAmE nuː / known / nəʊn ; NAmE noʊn /
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