| 单词 | know |
| 释义 | verb | noun knowknow1 /noʊ/ ●●● S1 W1 verb (past tense knew /nu/, past participle known /noʊn/) [not in progressive] 1HAVE INFORMATION [intransitive, transitive] to have information about something: Who knows the answer? “What time does the next bus come?” “I don’t know.”know about I need to know more about the job before I decide whether to apply for it.know (that) We didn’t know that Martin was coming.know what/where/when etc. I don’t know what I’m supposed to be doing. I know all about his financial problems (=I have a lot of information about them). Everyone knows that San Francisco is in California. Mom wants to know who broke the vase. How did he know our names (=how did he find information about them)?2BE CERTAIN [intransitive, transitive] to be sure about something: “Are you going home for Christmas?” “I don’t know yet.”know (that) I knew they wouldn’t get along.know what/how/who etc. Mark knew exactly what he wanted.know if/whether They didn’t know if they could do it.know something for sure/certain I think it starts at eight, but I don’t know for sure. How do you know it won’t happen again? All I know is nobody likes her.3BE FAMILIAR WITH [transitive] to be familiar with a person, place, system, etc.: Carol doesn’t know the city very well yet.know somebody from something We know each other from church.know somebody as something I had first known Ann as a little girl. Working here, you really get to know your customers. The new laws promise to end welfare as we know it. Kelly is one of the few candidates who knows the issues backward and forward (=knows them very well).4REALIZE [intransitive, transitive] to have information or a fact in your mind that tells you that something exists, is happening, or is true: Just take the money. Nobody will ever know. She’s very pretty, and she knows it.know how/what/why etc. I know exactly what you mean.know (that) Suddenly he knew that something was wrong.know (all) about something We knew all about the affair.know to do something Will people know to return the forms? Wayne snuck out of the house without his parents knowing. He knew perfectly well that he was breaking the law. They knew full well (=perfectly well) she would never agree to that. You should have known he’d forget the bread. I might have known you’d do something like this. I didn’t say that, and you know it! If I had known you were so sick, I would have asked somebody else to help.THESAURUSrealize – to know that a situation exists, and especially to know how important or serious it is: None of us realized the danger we were in.understand – to know how or why something happens or why it is important: Most people now understand that childhood obesity is a serious threat to public health in this country.appreciate – to know how serious a situation or problem is: He did not fully appreciate the significance of signing the contract.5SKILL/EXPERIENCE [transitive] to have learned a lot about something or be skillful and experienced at doing something: Eric really knows his job well.know how to do something Some of the kids don’t know how to read yet.know about You should talk to someone who knows about antiques.know something/nothing etc. about something I don’t know anything about football. She knows from experience that they won’t want to hear the truth. Are you sure you know what you’re doing (=have enough skill and experience to deal with something properly)? You listen to Aunt Kate; she knows what she’s talking about. She knows all there is to know about the subject.6LANGUAGE to be able to speak and understand a foreign language: I know a little Indonesian.7SONG/TUNE/POEM ETC. to be able to sing a song, play a tune, say a poem, etc. because you have learned it: Do you know all the words to “The Star-Spangled Banner?” Gabriela knew the whole piece by heart (=had learned it and could play it from memory).8RECOGNIZE [transitive] to be able to recognize someone or something: She had changed so much that I hardly knew her.know somebody by something He looked very different, but I knew him by his walk. I don’t recognize the name, but I’d know him by sight (=recognize him if I saw him).9let somebody know to tell someone about something: If you need any help, just let me know.10before you know it used for saying that something happens very quickly or very soon: You’ll be home before you know it.11know your way around (something) a)to be familiar with a place, organization, system, etc. so that you can use it effectively: Most seven-year-olds know their way around a computer screen. b)to be familiar with a place, city, etc. so that you can easily move from one place to another and know where buildings, restaurants, etc. are: She already knows her way around the campus.12know the/your way to know how to get to a place: know to Does she know the way to our house?13know something from something to understand the difference between one thing and another: I don’t know a French wine from a Californian wine.14know otherwise/different informal to know that the opposite of something is true: They thought he was honest, but I knew otherwise.15know a thing or two (about something) informal to have a lot of useful information gained from experience: Coach Anderson knows a thing or two about winning.16not know what to do with yourself to have nothing to do, for example because you cannot decide what work or activity you want to do: After college, I didn’t know what to do with myself.17know better a)to be wise or experienced enough to avoid making mistakes: How can you say that? You should know better. b)to know that what someone else says or thinks is wrong because you know more than he or she does: The man said it was a diamond, but Dina knew better.18not know any better to do something because you do not realize it is wrong or stupid: Don’t be mad at him – he doesn’t know any better.19know something inside (and) out to know something in great detail: Kirstie knows marketing inside out.20somebody knows best used to say that someone should be obeyed because he or she is experienced21FEELING/SITUATION [transitive] to have experience of a particular feeling or situation: I don’t think he ever knew true happiness. I’ve never known this to happen before.know (all) about something I know all about being poor.22KNOW somebody'S QUALITIES [transitive not in progressive] to think that someone has particular qualities: know somebody as something I knew him as an honest hard-working man.23not know the meaning of something to lack any experience or understanding of a particular emotion or type of behavior: He’s a man who doesn’t know the meaning of the word fear.24know the ropes informal to know all the things you need to know in order to do a job or deal with a system: Nathan knows the ropes – he’s been with the company for ten years.25know the score informal to know the real facts of a situation, including any unfavorable ones: I knew the score before I started the job.26know your own mind to be certain about what you like or what you want27not know what hit you informal to be so surprised or shocked by something that you cannot think clearly28not know where to turn to be in a very difficult and upsetting situation without knowing where to find help29somebody has been known to do something used to say that someone does something sometimes, especially something unusual: She has been known to eat an entire box of cookies by herself.30be known to be/do something used to say that people know that something is a fact or there is information that proves it: She is known to be a close friend of the president. This species is not known to be vicious.31know something/nothing/little etc. of something especially written used to say how much someone knows about something: Little is known of his early life.32know your place often humorous to behave in a way that shows that you know which people are more important than you: I’ll get back to the kitchen then – I know my place!33not know your own strength to not realize how strong you are34know no bounds formal if someone’s honesty, kindness, etc. knows no bounds, he or she is extremely honest, kind, etc.: Paul’s love for her knew no bounds.35you will be delighted/pleased/happy etc. to know that formal used before you give someone information that he or she will be happy to hear: You will be pleased to know that we have accepted your offer.36not know somebody from Adam informal to not know who someone is at all37not know whether you’re coming or going informal to feel very confused, especially because you have too much to doSPOKEN PHRASES38you know a)said when you cannot think of what you want to say next but you want to keep talking: So I, you know, spent some time cleaning up afterward. b)said when you are giving more information in order to explain which person or thing you are referring to: We saw Nick, you know, Melissa’s husband, downtown. c)said when you want someone to understand a situation or feelings that you talking about: I felt very upset, you know. d)said in a conversation to make someone listen to something that you are going to tell him or her: You know, sometimes I think we shouldn’t be together. e)said to emphasize a statement: There’s no reason to be so nasty, you know.39I know a)used to agree with someone or to say that you feel the same way: “It’s cold out here.” “I know. I’m freezing.” b)said when you suddenly have an idea or think of the answer to a problem: I know! Let’s turn the couch this way and then the table will fit. c)used for showing that you realize what someone’s criticisms may be before he or she can make them: It sounds silly, I know, but I’ll explain.40I don’t know a)used to say that you do not have the answer to a question: “Where’s the nearest restroom?” “I don’t know.” b)used to show that you disagree slightly with what has just been said: “I couldn’t live there.” “Oh, I don’t know. It might not be so bad.” c)used when you are not sure about something, or it does not matter to you: “What time will we meet?” “Oh, I don’t know. How about four o’clock?”41I don’t know about something said for gently refusing to give someone permission to do something or to say that you have not decided whether to give permission yet: “Can we come too?” “I don’t know about that.”42you know what/something? a)used to introduce new information in a conversation: You know what? George finally got a job. b)used to emphasize what you are about to say: They’re talking about layoffs again. And you know something? I don’t even care.43as far as I know said when you think something is true, but you are not sure: As far as I know, those dishes have never been used.44you never know used to say that you are not sure what will happen: He might say yes. You never know.45as you know used when saying something that you and your listener already know: As you know, sales have not been good this year.46you know somebody/something? used to start talking about someone or something: You know your cousin? You’ll never guess what she did!47(you) know what I’m saying? informal said to check that someone has understood what you are saying: You shouldn’t try to control other people – know what I’m saying?48(do) you know what I mean? (also if you know what I mean) used when checking that someone has understood what you are saying: People in this town are so weird, you know what I mean?49I know what you mean used to tell someone that you understand what he or she is talking about, because you have had the same experience yourself: He’s cute, but I know what you mean about his personality.50I don’t know about you, but... used to give an opinion, suggestion, or decision of your own that might be different from that of the person listening: I don’t know about you, but I’m getting tired of this band.51for all I know used to emphasize that you do not know anything about a particular subject: It cost millions. It could be billions for all I know.52I don’t know how/why etc. used when criticizing someone, to say that you cannot understand someone's behavior or attitude because it is so bad: I don’t know how she can yell at her kids like that.53who knows! (also heaven/goodness (only) knows!) a)used to say that you do not have any idea what an answer might be, and do not expect to know: “What’s Roger going to do once he gets there?” “Who knows?” b)used to emphasize a statement: I haven’t seen her for goodness knows how long.54wouldn’t you know (it) used to say that something bad or funny that has happened is not unexpected at all: “He showed up late again.” “Wouldn’t you know it.”55you don’t know used to emphasize how strong your feelings are about what you are saying: You don’t know how long I’ve waited to hear you say that!56I don’t know how to thank you/repay you formal used to emphasize that you are very grateful to someone for doing something for you57I wouldn’t know used to say that you do not know and you are not the person who should be asked: “When’s he coming back?” “I wouldn’t know.”58how should/would I know? (also how do I know?) used to say that it is not reasonable to expect that you should know something: How should I know where she lives? I just met her.59what does somebody know? used to angrily say that you do not think someone else’s opinion is important or correct: I’m not going to listen to Martha. What does she know?60knowing somebody... used to say that you expect someone to behave in a particular way because you know what he or she is like: Knowing Michelle, she’ll probably make her father pay for it.61knowing my luck... used for saying that you expect something bad will happen because you are usually unlucky: Knowing my luck, the train will be late.62(well,) what do you know! used to express surprise: Well, what do you know – look who’s here!63I’ve never known somebody/something to do something used to say that you do not think someone or something has ever behaved in a particular way: I’ve never known him to make any kind of trouble.64know your stuff to be good at and know all you should know about a job or subject: When it comes to math, he really knows his stuff.65if you know what’s good for you used to tell someone that he or she should do something, or he or she will be harmed in some way: You’ll just keep your mouth shut if you know what’s good for you!66somebody ought to know (also somebody should know) used to emphasize that you expect someone to know about something because of his or her experience with it: He says working with children is difficult, and, as a teacher, he should know.67how did/could I know? (also how was I to know?) used to say that something is not your fault because you could not have known about it: Don’t get mad at me – how could I know the train would leave early?68it takes one to know one used to rudely tell someone who is criticizing another person that he or she is just as bad[Origin: Old English cnawan] → see also you-know-what, you-know-whoknow of somebody/something phrasal verb1 to have been told or to have read about someone or something, but not know much about him, her, or it: I only know of him – I’ve never actually met him.2to know that someone or something exists, used especially when asking for or giving advice: Do you know of any good restaurants in Chinatown? I know of one or two people who could help you with this.3not that I know of spoken used when answering a question to say that you believe that the answer is “no,” but there may be facts that you do not know about: “Did anyone call for me?” “Not that I know of.” verb | noun knowknow2 noun in the know informal having more information about something than most people: People in the know say she will get the job. |
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