0 to have information in your mind:
"Where did he go?" "I don't know."
"What does it cost?" "Ask Kate. She'll know."
I don't know anything about this.
[ + question word ] We don't know when he's arriving.
I don't know (= understand) what all the fuss is about.
[ + (that) ] I just knew (that) it was going to be a disaster.
[ + obj + to infinitive ] Even small amounts of these substances are known to cause skin problems.
formal The authorities know him to be (= know that he is) a cocaine dealer.
Do you know the time?
[ + question word ] Do you know where the Post Office is?
[ + (that) ] I know (that) she'll be really pleased to hear the news.
[ + question word ] I don't know whether I should tell her or not.
The party is at Sarah's house as/so far as I know (= I think but I am not certain).
1 to be familiar with or have experience and understanding of:
I've known Daniel since we were at school together.
I've seen the film "Casablanca" so many times that I know a lot of it by heart (= I know it in my memory).
Knowing Karen (= from my experience of her in the past), she'll have done a good job.
formal I have known (= experienced) great happiness in my life.
Do you know about computers?
She knows her subject inside out (= very well).
Do you know any French?
The first couple of meetings are for the doctor and patient to get to know each other.
2 to have knowledge about something that most people do not have:
3 to have information in your mind; to be aware of something:
[ I ] “Where did he go?” “I don’t know.”
[ + question word ] Do you know how to tap dance?
[ + question word ] We don’t know when he’s arriving.
[ + (that) clause ] I knew (that) something was wrong from the start.
[ + question word ] I want to know how much this will cost.
Do you know of a good doctor?
4 to agree with or understand the reasons for an action or opinion:
[ + question word ] I don’t know what all the fuss is about.
[ + question word ] “What a stupid movie!” “I know what you mean.”
She knows what it’s like to go bankrupt – it happened to her 20 years ago.
5 to be familiar with a person or place:
[ T ] I’ve known Vince since we were in elementary school.
[ T ] Knowing Debbie (= from my experience of her in the past), she’ll do a good job.
6 to feel certain about something:
I know I’d enjoy myself if I went.
[ + (that) clause ] I know (that) I took those library books back.
[ + wh- word ] I don’t know whether or not I should go to college.
I know I’d enjoy myself if I went.
[ + (that) clause ] I know (that) I took those library books back.
[ + question word ] I don’t know whether or not I should go to college.
7 to recognize someone or something, or to recognize the difference between two people or things:
8 Someone who is in the know has information about something:
"Will the table fit in here?" "I don't know - let's measure it."
I still don't know whether she's coming or not.
It's a bit suspicious that no one knows where he was at the time of the murder.
"He's been married three times." "Oh, really? I didn't know that!"
I know the first verse of the song, but I don't know what comes next.
If you don't know what the word means, look it up in a dictionary.
It's always awkward when you meet someone you know, but you can't remember their name.
中文繁体
掌握資訊, 知道,熟悉,了解, (用於詢問資訊)知道…
More中文简体
掌握信息, 知道,熟悉,了解, (用于询问信息)知道…
MoreEspañol
saber, conocer…
MorePortuguês
saber, conhecer, conhecer sobre…
More日本語
知っている, ~が分かる, きっと~だと思う…
MoreTürk dili
bilmek, görmüş/duymuş/bulunmuş/karşılaşmış olmak, anlamak…
MoreFrançais
connaître, savoir, être sûr/-sûre…
MoreCatalan
saber, conèixer…
More