know là gì? Phát âm và cách dùng trong tiếng Anh

Q: know là gì?

know có nghĩa là hiểu biết, nhận biết

know có nghĩa là hiểu biết, nhận biết. Tìm hiểu cách phát âm chuẩn, cách dùng từ trong ngữ cảnh thực tế kèm ví dụ và mẹo ghi nhớ dễ hiểu.

Định nghĩa & cách phát âm từ know

knowverb

hiểu biết, nhận biết

/nəʊ/

Từ "know" trong tiếng Anh có hai cách phát âm chính, tùy thuộc vào ngữ cảnh:

1. /noʊ/ (giống như "no") - Đây là cách phát âm phổ biến nhất, thường được sử dụng trong các câu khẳng định:

Ví dụ: I know the answer. (Tôi biết câu trả lời.)
Cách đọc nhanh: /ˈnoʊ/

2. /naʊ/ (giống như "now") - Cách này thường được sử dụng trong các câu phủ định hoặc câu hỏi:

Ví dụ: I don't know him. (Tôi không biết anh ta.)
Ví dụ: Do you know the way? (Bạn có biết đường không?)
Cách đọc nhanh: /ˈnau/

Lưu ý:

Âm "o" trong cả hai trường hợp đều là âm "o" mũi. Bạn cần tạo ra một chút âm mũi khi phát âm để gần giống hơn.
Вь mặt nào được sử dụng sẽ phụ thuộc vào ngữ cảnh của câu.

Để luyện tập, bạn có thể:

Tìm các từ ví dụ khác chứa "know" và nghe cách phát âm chính xác trên các trang web hoặc ứng dụng học tiếng Anh như Forvo, Google Translate hoặc Cambridge Dictionary.
Lặp lại các từ và câu ví dụ nhiều lần để làm quen với cách phát âm.
Ghi âm giọng nói của bạn và so sánh với cách phát âm chuẩn.

Chúc bạn học tốt!

Cách sử dụng và ví dụ với từ know trong tiếng Anh

Từ "know" trong tiếng Anh là một từ rất phổ biến và có nhiều cách sử dụng khác nhau. Dưới đây là giải thích chi tiết về các cách sử dụng chính của "know":

1. Biết về (to know about):

Ý nghĩa: Chỉ sự thông tin hoặc hiểu biết về một điều gì đó.
Ví dụ:
- "I know about that movie." (Tôi biết về bộ phim đó.)
- "Do you know anything about history?" (Bạn có biết gì về lịch sử không?)
- "She knows a lot about computers." (Cô ấy biết rất nhiều về máy tính.)

2. Biết (to know):

Ý nghĩa: Chẳng hạn như biết một sự thật, một lời nói, một tên người, một nơi chốn.
Ví dụ:
- "I know his name." (Tôi biết tên anh ấy.)
- "Do you know the answer?" (Bạn có biết câu trả lời không?)
- "She knows the way." (Cô ấy biết đường.)

3. Biết (to know that):

Ý nghĩa: Thường dùng để diễn tả sự nhận thức về một sự thật, một điều gì đó. Cấu trúc thường là "know + that + mệnh đề".
Ví dụ:
- "I know that he is coming." (Tôi biết rằng anh ấy đang đến.)
- "She knows that she made a mistake." (Cô ấy biết rằng cô ấy đã sai.)
- "Do you know that Paris is the capital of France?" (Bạn có biết Paris là thủ đô của Pháp không?)

4. Biết (to know how):

Ý nghĩa: Biết cách làm một điều gì đó. Cấu trúc là "know how + to-infinitve".
Ví dụ:
- "I know how to swim." (Tôi biết bơi.)
- "Do you know how to use this computer?" (Bạn có biết cách sử dụng máy tính này không?)
- "He doesn't know how to cook." (Anh ấy không biết nấu ăn.)

5. Biết (to know someone):

Ý nghĩa: Chẳng hạn như biết bạn bè, người quen, đồng nghiệp.
Ví dụ:
- "I know her from high school." (Tôi biết cô ấy từ thời trung học.)
- "Do you know John?" (Bạn có biết John không?)

6. (Tính từ) Biết (to be/feel/seem to know):

“Know” có thể dùng như một tính từ, mang nghĩa “biết” theo cảm giác, cảm nhận.
Ví dụ:
- "I know he is lying." (Tôi biết anh ấy đang nói dối.)
- "She seems to know everything." (Cô ấy có vẻ biết mọi thứ.)

Tổng kết:

Cách Sử Dụng	Ý Nghĩa	Ví dụ
Know about	Biết về, thông tin	I know about the new policy.
Know	Biết (sự thật, tên, chỗ)	I know her name.
Know that	Biết rằng	I know that he will be late.
Know how	Biết cách	I know how to ride a bike.
Know someone	Biết (người)	I know my neighbor.
Be/feel/seem to know	Cảm nhận biết	I know he’s lying.

Lưu ý:

"Know" và "realize" đều có nghĩa là "nghe ra, nhận ra" nhưng "know" thường dùng để biết thông tin trước đó, còn "realize" dùng để nhận ra một điều gì đó một cách bất ngờ.

Hy vọng điều này giúp bạn hiểu rõ hơn về cách sử dụng từ "know" trong tiếng Anh. Bạn có bất kỳ câu hỏi cụ thể nào khác không?

Các từ đồng nghĩa với know

Thành ngữ của từ know

as far as I know | as far as I can remember, see, tell, etc.

used to say that you think you know, remember, understand, etc. something but you cannot be completely sure, especially because you do not know all the facts

As far as we knew, there was no cause for concern.
As far as I can see, you've done nothing wrong.
She lived in Chicago, as far as I can remember.

before you know where you are

very quickly or suddenly

We were whisked off in a taxi before we knew where we were.

be not to know

to have no way of realizing or being aware that you have done something wrong

‘I'm sorry, I called when you were in bed.’ ‘Don't worry—you weren't to know.’

better the devil you know (than the devil you don’t)

(saying)used to say that it is easier and wiser to stay in a bad situation that you know and can deal with rather than change to a new situation that may be much worse

for all you, I, they, etc. know

(informal)used to emphasize that you do not know something and that it is not important to you

She could be dead for all I know.

God/goodness/Heaven knows

used to emphasize that you do not know something

God knows what else they might find.
‘Where are they?’ ‘Goodness knows.’

used to emphasize the truth of what you are saying

She ought to pass the exam—goodness knows she's been working hard enough.

have/know all the answers

(informal, often disapproving)to be confident that you know something, especially when you actually do not

He thinks he knows all the answers.

have/know something off pat

to know something perfectly so that you can repeat it at any time without having to think about it

He had all the answers off pat.

have seen/known better days

(humorous)to be in poor condition

Our car has seen better days!

I don’t know how, why, etc…

(informal)used to criticize somebody’s behaviour

I don't know how you can say things like that.

if (the) truth be known/told

used to tell somebody the true facts about a situation, especially when these are not known by other people

If the truth be known, I was afraid to tell anyone.

I know

used to agree with somebody or to show sympathy

‘What a ridiculous situation!’ ‘I know.’

used to introduce a new idea or suggestion

I know, let's see what's on at the theatre.

know something as well as I do

used to criticize somebody by saying that they should realize or understand something

You know as well as I do that you're being unreasonable.

know somebody/something backwards

(especially British English, informal)to know somebody/something extremely well

She must know the play backwards by now.

know best

to know what should be done, etc. better than other people

The doctor told you to stay in bed, and she knows best.

know better (than that/than to do something)

to be sensible enough not to do something

He knows better than to judge by appearances.

know somebody by sight

to recognize somebody without knowing them well

know different/otherwise

(informal)to have information or evidence that the opposite is true

He says he doesn't care about what the critics write, but I know different.

know full well

to be very aware of a fact and unable to deny or ignore it

He knew full well what she thought of it.

know somebody/something inside out | know somebody/something like the back of your hand

(informal)to be very familiar with somebody/something

This is where I grew up. I know this area like the back of my hand.

know your own mind

to have very clear and definite ideas about what you want to do

know your stuff

(informal)to know a lot about a particular subject or job

know/tell somebody a thing or two (about somebody/something)

(informal)to know/tell somebody some useful, interesting or surprising information about somebody/something

She's been married five times, so she knows a thing or two about men!

know/learn/find something to your cost

to know something because of something unpleasant that has happened to you

She is a tough competitor, as I know to my cost.

know your way around

to be familiar with a place, subject, etc.

know what you’re talking about

(informal)to have knowledge about something from your own experience

I worked there for 20 years, so I know what I'm talking about.

know which side your bread is buttered

(informal)to know where you can get an advantage for yourself

let it be known/make it known that…

(formal)to make sure that people are informed about something, especially by getting somebody else to tell them

The President has let it be known that he does not intend to run for election again.

let somebody know

to tell somebody about something

I don't know if I can come, but I'll let you know tomorrow.
Let me know how I can help.
Please let me know if there's anything I can do to help.

Lord knows…

used to emphasize what you are saying

Lord knows, I tried to teach her.

Lord (only) knows (what, where, why, etc.)…

(informal)used to say that you do not know the answer to something

‘Why did she say that?’ ‘Lord knows!’

make yourself known to somebody

to introduce yourself to somebody

I made myself known to the hotel manager.

not know any better

to behave badly, usually because you have not been taught the correct way to behave

Don’t blame the children—they don’t know any better.

not know your arse from your elbow

(British English, offensive, slang)to be very stupid; to have absolutely no skill

not know beans about something

(North American English, informal)to know nothing about a subject

I don’t know beans about making movies.

not know the first thing about somebody/something

to know nothing at all about somebody/something

I’m afraid I don’t know the first thing about cars.

not know, etc. the first thing about something/somebody

to know nothing at all about something/somebody

We’ve lived next to him for years, but we still don’t know the first thing about him.

not know somebody from Adam

(informal)to not know at all who somebody is

not know what hit you

(informal)to be so surprised by something that you do not know how to react

not know where to look

(informal)to feel very embarrassed and not know how to react

not know whether you’re coming or going

(informal)to be so excited or confused that you cannot behave or think in a sensible way

not know you are born

(British English, informal)to have an easy life without realizing how easy it is

You people without kids don't know you're born.

not want to know (about something)

(informal)to take no interest in something because you do not care about it or it is too much trouble

I've tried to ask her advice, but she doesn't want to know (= about my problems).
‘How much was it?’ ‘You don't want to know’ (= it is better if you don't know).

old enough to know better

old enough to behave in a more sensible way than you actually did

show somebody/know/learn the ropes

(informal)to show somebody/know/learn how a particular job should be done

there’s no knowing

used to say that it is impossible to say what might happen

There's no knowing how he'll react.

what does… know?

used to say that somebody knows nothing about the subject you are talking about

What does he know about football, anyway?

what do you know?

(informal)used to express surprise

Well, what do you know? Look who's here!

(know) what’s what

(informal)(know) what things are useful, important, etc.

She certainly knows what's what.

you know

used when you are thinking of what to say next

Well, you know, it's difficult to explain.

used to show that what you are referring to is known or understood by the person you are speaking to

Guess who I've just seen? Maggie! You know—Jim's wife.
You know that restaurant round the corner? It's closed down.

used to emphasize something that you are saying

I'm not stupid, you know.

you know something/what?

(informal)used to introduce an interesting or surprising opinion, piece of news, etc.

You know something? I've never really enjoyed Christmas.

you know who/what

(informal)used to refer to somebody/something without mentioning a name

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 something good might happen