half
gb/hˈæf/ us/hˈæf/
A1
英语
~ 1500
义项
0 个义项
名词
A1
entity
1
One of two equal parts
One of two equal parts of something.
用法模式：
[something] in half
常见错误：
Learners sometimes confuse 'half' with 'a half'. Use 'half' without 'a' when it comes before nouns like 'hour' or 'mile' (e.g., 'half an hour', not 'a half hour' in British English).
近义词
portion (A general term for part of something; not necessarily equal)
反义词
whole (Refers to the complete thing, not divided)
搭配
half an hour
|half a mile
|half a cup
|half a day
|half a dozen
主题
math
|daily life
|core_vocabulary
例句
- She cut the sandwich in half.
- I waited for half an hour before he arrived.
- Only half of the cake was eaten.
- Half the population voted in the election.
- The glass was half full.
学习者例句
- I ate half of the pizza.
- We walked for half an hour.
- He drank half a glass of water.
- Half the class is absent today.
- Cut the apple in half.
adjective
A2
property
2
Equal to one of two parts
Describes something that is one of two equal parts.
用法模式：
half [noun]
常见错误：
Learners may forget to use 'half' before a noun directly without 'of' (e.g., 'half price', not 'half of price').
近义词
partial (Means incomplete or part of something, but not necessarily exactly half)
反义词
whole (Describes something complete, not divided)
搭配
half price
|half full
|half empty
|half finished
主题
math
|daily life
|core_vocabulary
例句
- The bottle is half full.
- We bought the tickets at half price.
- The project is only half finished.
- I was only half awake during the lecture.
学习者例句
- The glass is half empty.
- We got it for half price.
- My work is half done.
- She was half asleep.
adverb
B1
property
3
Approximately to half extent
Partly; to about 50% of the full amount or degree.
用法模式：
only half [verb/adjective]
常见错误：
Learners sometimes confuse the adverb form with the adjective form; as an adverb, 'half' modifies verbs or adjectives, not nouns.
近义词
partly (General term for not completely)
反义词
completely (Fully or entirely)
搭配
half believe
|half understand
|half smile
主题
daily life
|core_vocabulary
例句
- I only half understand what you're saying.
- She half smiled at the joke.
- He was half convinced it would work.
学习者例句
- I half understand this story.
- She half agrees with me.
- He half smiled.
名词
A2
event
4
One period in a game or match
One of the two main time periods in some sports games.
近义词
period (General term for a segment of time in sports)
反义词
overtime (Extra time added beyond the regular halves)
搭配
first half
|second half
主题
sports
|time
例句
- The team scored twice in the second half.
- We were losing by halftime.
- The first half ended with a tie.
学习者例句
- The first half is over.
- They scored in the second half.
- We played better in the second half.
语法
相关表达
better half
1/bˈɛtɚ hˈæf/
idiom
informal
Spouse or partner (humorous)
A humorous way to say your husband, wife, or partner.
例句
- I came here with my better half.
- My better half is out shopping.
cut in half
1/kˈʌt ˈɪn hˈæf/
fixed phrase
Divide into two equal parts
To make something into two equal parts by cutting it.
例句
- She cut the paper in half.
- The company cut its prices in half.
half and half
1/hˈæf ˈænd hˈæf/
fixed phrase
Mixture in equal parts
Something that has equal amounts of two different things.
例句
- I take my coffee with half and half.
- The paint is a half-and-half mix of blue and white.
half-hearted
1/hˈæf hˈɑɹtɪd/
fixed phrase
With little enthusiasm or effort
Doing something without much interest or effort.
例句
- He gave a half-hearted smile.
- Her apology seemed half-hearted.
in half
1/ˈɪn hˈæf/
fixed phrase
In two equal parts
Into two equal pieces or sections.
例句
- Fold the paper in half.
- The branch snapped in half.