know
gb/nˈoʊ/ us/nˈoʊ/
A1
英语
~ 100
义项
0 个义项
动词
A1
state
1
Be aware of a fact
To have information in your mind.
用法模式：
to know [something]
常见错误：
Learners sometimes confuse 'know' with 'learn'; 'know' is for having information already, 'learn' is for getting it.
近义词
understand (Implies grasping the meaning, not just being aware of the fact.)
反义词
ignore (Means to deliberately not pay attention to information.)
搭配
know the answer
|know the facts
|know the truth
|know the rules
|know the details
主题
communication
|knowledge
|daily life
|core_vocabulary
|education
例句
- I know the capital of France is Paris.
- She knows that he is lying.
- Do you know the rules of the game?
- We know the meeting starts at nine.
- They know the answer to the question.
学习者例句
- I know your name.
- He knows my phone number.
- Do you know this song?
- We know the way to the park.
- They know my teacher.
动词
A1
state
2
Be familiar with someone/something
To have met or seen someone or something before.
用法模式：
to know [someone/something]
常见错误：
Learners sometimes use 'meet' instead of 'know' when they mean familiarity over time.
近义词
recognize (Focuses on identifying from memory, not general familiarity.)
反义词
meet (Refers to encountering someone for the first time.)
搭配
know each other
|know a person well
|know the city
|know the area
主题
relationships
|daily life
|core_vocabulary
例句
- I know her from school.
- Do you know this restaurant?
- They know each other very well.
- We know the city like the back of our hand.
- He knows that shop; he goes there often.
学习者例句
- I know my neighbor.
- She knows my brother.
- Do you know this place?
- We know our teacher.
- They know that shop.
动词
A2
state
3
Understand deeply
To understand something well because you have learned about it or done it before.
用法模式：
to know [how/why/what]
常见错误：
Learners sometimes forget to use 'how', 'why', or 'what' after 'know' when talking about understanding processes or reasons.
近义词
comprehend (More formal; emphasizes complete mental grasp.)
反义词
misunderstand (Fail to correctly understand something.)
搭配
know how to do something
|know what to expect
|know why it happens
主题
education
|skills
|core_vocabulary
例句
- I know how to swim.
- She knows why the machine stopped working.
- They know what it takes to win.
- He knows how computers work.
学习者例句
- I know how to read.
- She knows how to make a cake.
- They know what this means.
- We know why he is late.
动词
B1
state
4
Recognize by sight/sound
To see or hear something and remember it from before.
用法模式：
to know [someone/something] by [sight/sound/name]
近义词
identify (More formal; emphasizes accurate recognition.)
反义词
mistake for (To wrongly think something is someone else.)
搭配
know by sight
|know by name
主题
perception
|core_vocabulary
例句
- I don't know him by name, but I recognize his face.
- She knew the song as soon as it started playing.
- Do you know this smell?
学习者例句
- I know her face.
- He knows this song.
- We know this voice.
动词
A2
state
5
Be certain about a fact
To be sure that something is true.
用法模式：
to know (that) [clause]
近义词
be sure (Slightly less formal; more conversational.)
反义词
doubt (To feel uncertain about something.)
搭配
know for sure
|know full well
主题
certainty
|core_vocabulary
例句
- I know she'll say yes.
- He knows it's going to rain tomorrow.
- We know this is the right decision.
学习者例句
- I know you are right.
- She knows it will rain.
- We know he is here.
语法
词典原形
know
IPA
GB/nˈoʊ/
US/nˈoʊ/
音节与重音
know （1 个音节）
Stress on 1st syllable (know)
词形变化
Verb
- Base: know
- 3rd Person Singular: knows
- Present Participle: knowing
- Past: knew
- Past Participle: known
词族
Forms
knows
verb
knowing
verb
knew
verb
known
verb
Core family
knowledge
noun B1
knowledgeable
adjective B2
Negative and opposite forms
unknown
adjective B1
unknowingly
adverb B2
Related words
know-how
noun B2
Advanced or less common
knowingly
adverb B2
语法重点
- Irregular past: knew Verb
- Irregular past participle: known Verb
相关表达
be in the know
1/bˈi ˈɪn ðə nˈoʊ/
idiom
informal
Have special information others lack
To have special or secret information that others do not have.
例句
- Only a few people are in the know about the project.
- He likes to feel in the know about company gossip.
know by heart
1/nˈoʊ bˈaɪ hˈɑɹt/
idiom
Remember exactly without looking
To remember something perfectly without looking at it.
例句
- I know all the lyrics by heart.
- She knows her phone number by heart.
know for sure
1/nˈoʊ fɚ ʃˈʊɹ/
fixed phrase
Be completely certain about something
To be completely sure that something is true.
例句
- I don't know for sure if he'll come.
- She knows for sure that she passed the exam.
not that I know of
1/nˈɑt ðˈæt ˈaɪ nˈoʊ əv/
fixed phrase
Say you are not aware of something now
Used when you are not aware of something being true at this time.
例句
- Is he married? Not that I know of.
- Are there any delays? Not that I know of.
you know what I mean
1/jˈu nˈoʊ wˈʌt ˈaɪ mˈin/
fixed phrase
informal
Check if listener understands meaning/feeling
Used to check if someone understands what you mean or feel.
例句
- It's been a rough day, you know what I mean?
- He's a bit strange, you know what I mean?