brain
gb/bɹˈeɪn/ us/bɹˈeɪn/
A2
英语
~ 1800
义项
0 个义项
名词
A2
entity
1
Organ controlling thought and body
The part of your body inside your head that helps you think and control what you do.
用法模式：
[someone]'s brain
常见错误：
Learners sometimes confuse 'brain' with 'mind'; 'brain' is the physical organ, while 'mind' is the thinking part or mental processes.
近义词
mind (Refers more to mental processes than the physical organ.)
反义词
body (Refers to the physical form excluding the head's controlling organ.)
搭配
human brain
|brain cells
|brain injury
|brain function
|brain activity
主题
science
|health
|anatomy
|body
例句
- The human brain is incredibly complex.
- He suffered a brain injury in the accident.
- Your brain needs rest to function well.
- Scientists are studying how the brain processes language.
学习者例句
- The brain helps us think.
- Her brain works very fast.
- He hurt his brain in the fall.
- My brain feels tired today.
名词
B1
entity
2
Very intelligent person
A very smart person.
用法模式：
[someone] is a brain at [something]
常见错误：
Learners may overuse 'brain' instead of 'smart person'; 'brain' in this sense is often used informally or in set phrases.
近义词
genius (Stronger and more formal; implies exceptional natural ability.)
反义词
fool (Someone lacking good sense or intelligence.)
搭配
creative brain
|the brains behind
|a real brain
主题
people
|intelligence
|education
|core_vocabulary
例句
- She's the brains behind the new project.
- He's a real brain when it comes to computers.
- We need some fresh brains on this problem.
学习者例句
- She is a brain in math.
- He is the brains of the team.
- My brother is a real brain.
名词
informal
B1
entity
3
Mental ability to think well
How well someone can think and decide things.
用法模式：
to have the brains to [do something]
常见错误：
Some learners confuse plural 'brains' with singular 'brain'; plural is common in idioms about intelligence.
近义词
intelligence (More formal and general; not slangy.)
反义词
stupidity (Lack of intelligence or good judgment.)
搭配
use your brain
|have brains
|no brains
主题
intelligence
|daily life
|education
|core_vocabulary
例句
- Use your brain before you act.
- He has the brains to run this company.
- They don't have enough brains to solve it.
学习者例句
- I use my brain to learn English.
- She has the brains to win.
- He does not use his brain.
语法
词典原形
brain
IPA
GB/bɹˈeɪn/
US/bɹˈeɪn/
音节与重音
brain （1 个音节）
Stress on 1st syllable (brain)
词形变化
Noun
- Base: brain
- Plural: brains
词族
Forms
brains
noun
Core family
brainy
adjective
brainstorm
verb B2
Related words
Negative and opposite forms
brainless
adjective
Advanced or less common
brainchild
noun
brainwashing
noun C1
相关表达
brainstorm
1/bɹˈeɪnstˌɔɹm/
fixed phrase
Suggest many ideas quickly for problem-solving or creativity
To quickly think of many ideas with others to solve a problem or make something new.
例句
- Let's brainstorm ideas for the party theme.
- They brainstormed solutions during the meeting.
pick someone's brain
1/pˈɪk sˈʌmwˌʌnz bɹˈeɪn/
idiom
informal
Ask someone for ideas or advice
To talk to someone to get ideas or information from them because they know more about something.
例句
- Can I pick your brain about this design?
- He picked her brain for tips on starting a business.
rack your brains
1/ɹˈæk jˈʊɹ bɹˈeɪnz/
idiom
informal
Think very hard about something difficult
To try very hard to remember or think of something.
例句
- I've been racking my brains all day trying to remember her name.
- She racked her brains for a solution to the problem.
scatterbrained
1/skˈætɚbɹˈeɪnd/
fixed phrase
informal
Disorganized and forgetful mind
Not able to remember things or organize ideas well.
例句
- She's so scatterbrained she forgot her own birthday.
- I'm feeling scatterbrained after working all night.
the brains behind
1/ðə bɹˈeɪnz bɪhˈaɪnd/
idiom
Person who plans and directs something
The person who plans and controls an important project or activity.
例句
- She was the brains behind the marketing campaign.
- He's the brains behind our new app.