Tra từ know - Từ điển Oxford Learners Wordfinder Dictionary

1 different ways of knowing sth
2 knowing a particular subject
3 having a skill
4 knowing a person
5 getting knowledge
see also THINK, UNDERSTAND, REMEMBER/FORGET

1 different ways of knowing sth
- to have information, facts, etc in your mind: know* (sth), know* (that) ※¦
Do you know her address? ◎ 'It's getting late.' 'I know. I won't be long.' ◎ I had been there before so I knew what to expect. ◎ They didn't know that I had given him some money.
- to have information about sth: know* about sth
The police know all about his involvement in the crime. ◎ She knows a lot about modern jazz.
- to have heard of sb/sth: know* of sb/sth
I know of one student who attended all the courses.
※ recognizing and identifying
- to know again sb or sth that you have seen or heard before: recognize sb/sth
She'd lost so much weight that I nearly didn't recognize her.
- able to be recognized: recognizable; opposite: unrecognizable
an easily recognizable tune/voice ◎ Those glasses make you almost unrecognizable.
- to say who or what sb/sth is: identify sb/sth
They asked him to identify the body. ◎ Can you identify this song?
- to know the difference between two things: tell* (sb/sth from sb/sth), tell* sb/sth apart
It's almost impossible to tell the twins apart.
※ realizing
- to know and understand that sth is true: realize (that) ※¦, be, become, etc aware/conscious (of sth/that ※¦)
Do you realize that we've missed the last bus? ◎ He was aware of all the dangers before he started the journey. ◎ Were you aware that you were breaking the law? ◎ I became conscious of the policeman looking at me.
- not aware: unaware
She seemed unaware of all the trouble she had caused.
- the knowledge that people have about certain problems or topics of general interest: awareness (noun U)
He's trying to raise people's awareness of the dangers of passive smoking.
※ knowing sth quite well
- if you have a good knowledge of sth, you are familiar with it, it is familiar (to you); being familiar with sth: familiarity (with sth) (noun U)
I'm not familiar with all her novels. ◎ His face looks familiar. ◎ Is this name familiar to you? ◎ He was able to escape from the fire because of his familiarity with the building.
- when you have become familiar with sth, you are used to it
I shall never get used to this new timetable.
- if you do not have a good knowledge of sth, you are unfamiliar with it, it is unfamiliar (to you); not being familiar with sth: unfamiliarity (with sth) (noun U)
She seemed quite unfamiliar with the procedure for getting a visa. ◎ an unfamiliar part of the town
- if you have not become familiar with sth, you are new to it
You should try to help him - he's still new to the job.
- not seen, met, visited, etc before: strange
I rang my friend's number, but a strange voice answered the telephone. ◎ Don't talk to strange people in the street.
※ being well-known
- a person, place, etc that is known by a lot of people is well-known, famous; being well-known: fame (noun U)
a well-known politician ◎ famous works of art
- known by many people: public
The news was not made public until yesterday.
- if sth is known by many people, it is public/common knowledge (noun U)
※ more on being famous FAMOUS
※ knowing about the future
- to know or guess that sth is going to happen in the future: foresee* sth; the ability to foresee sth: foresight (noun U)
Nobody could have foreseen that disaster. ◎ With a bit of foresight, they could have avoided that problem.
※ more on the future FUTURE

2 knowing a particular subject
- information about a topic: knowledge (noun U/singular)
How's your knowledge of Greek history? ◎ to have a good knowledge of a subject
- if you have a lot of knowledge about a subject, you are knowledgeable (about sth), well-informed (about sth)
She seems very knowledgeable about animals. ◎ a well-informed group of visitors
- if you have little or no knowledge about sth, you are ignorant (of/about sth); noun (U): ignorance (of sth)
I'm completely ignorant about computers. ◎ His ignorance of the rules is astonishing.
- a person who has special knowledge of a topic: expert (on/in sth)
an expert on international terrorism ◎ a computer expert
- a subject that you know a lot about is your speciality, specialism
His speciality is modern American literature.
- knowledge of many things which you get from ordinary life rather than special study: general knowledge (noun U)
Here's a test of your general knowledge!

3 having a skill
- an ability that you need in order to do a job or perform an activity: skill (often plural)
She has excellent interpersonal skills.
- the ability to do sth well: skill (in/at sth/doing sth) (noun U); having skill: skilled (in/at sth)
You need a lot of skill to do this well. ◎ a skilled gardener
- knowledge or skill that you get from seeing or doing sth: experience (in/of sth) (noun U)
to learn by experience ◎ to know sth from experience ◎ How many years' experience of teaching do you have?
- if you have knowledge of sth or skill in sth because you have done it often before, you are experienced (in/at sth)
an experienced teacher/counsellor ◎ Are you experienced at looking after children?
- special knowledge or skill: expertise (noun U), (informal) know-how (noun U)
I don't have much expertise in dealing with computers. ◎ They have the know-how to produce nuclear weapons.
※ more on skill SKILL
- knowing a language LANGUAGE

4 knowing a person
- to have met or seen sb before: know* sb
'Do you know Bob?' 'No, I don't think we've met.'
- to know sb, but not very well: (formal) be acquainted (with sb)
Are you two acquainted? ◎ He is acquainted with several government ministers.
- to have seen sb before but not to have talked to them: know* sb by sight
I only know the director by sight.
- to have heard about sb but not to have met them: know* sb by name
I've never been to the Institute though I know some of the staff by name.
- a person you have known for a long time is an old friend or acquaintance
- a person that you do not know: stranger

5 getting knowledge
- to get knowledge or skill: learn (sth), learn (how) to do sth, learn about sth
We learnt very little science at school. ◎ I'm learning to play the piano.
- to come to know sth, especially for the first time: find* sth out, find* out about sth, discover sth; what you discover: discovery
I've found out where the party's going to be. ◎ We didn't find out about the burglary until we got back from holiday. ◎ He discovered the truth about his parents' marriage. ◎ I made a shocking discovery.
- to know sth by doing or seeing it: experience sth, see* sth
They experienced rock-climbing for the first time. ◎ We saw the effects of prompt treatment of the disease.
※ more on learning LEARN
※ wanting to get knowledge
- if you want to know or learn as much as possible about sth, you are interested (in sth), curious (about sth); the quality of being interested: interest (noun U/singular), curiosity (noun U)
She's very interested in the new project. ◎ I was full of curiosity about what was in the letter.
- asking a lot of questions, especially about what other people are doing: inquisitive; noun (U): inquisitiveness
Don't be so inquisitive - it's got nothing to do with you. ◎ an inquisitive child
- too interested in finding out other people's affairs: (informal) nosy
I hope you don't think I'm being nosy asking you all these questions.
※ more on being interested in sth INTERESTING
※ MORE ...
- to know nothing about sth: (informal) not have a clue
I'm afraid I don't have a clue what you're talking about!
- if you do not know about sth that other people know about, you are (informal) in the dark
Don't keep me in the dark - are you getting married or not?
- as far as I know about sth (although I may be wrong): to the best of my belief/knowledge
To the best of my knowledge, she has never been to China.
- from my own (limited) information: for all I know
For all I know, he may be an alien from Mars!
- I don't know: (informal) search me!
- the feeling or understanding that makes you believe or know sth without any reason or proof: intuition (noun C/U); adjective: intuitive (adverb intuitively)
to have an intuition about sth ◎ to know sth by intuition ◎ an intuitive understanding of the needs of young children