Word · CEFR A1 · Frequency #470
half
一半；二分之一
核心释义
One of two equal or roughly equal parts into which something is divided; the fraction 1/2.
- 1.
通常为两等分之一
One of two usually roughly equal parts into which anything may be divided, or considered as divided.
- 2.
可分割整体的两个相等部分之一
one of two equal parts of a divisible whole
- 3.
标准度量的一半,主要是指
Half of a standard measure, chiefly:
- 4.
某些游戏或表演中分为两部分的其中之一,两部分之间有间隔
one of two divisions into which some games or performances are divided: the two divisions are separated by an interval
- 5.
1除以2得到的分数
The fraction obtained by dividing 1 by 2.
- 6.
伊顿公学的三个学期之一,分别为米迦勒节、四旬斋和夏季
Any of the three terms at Eton College, for Michaelmas, Lent, and summer.
- 7.
半程马拉松的缩写
abbreviated form for half marathon.
半场；半份；半程马拉松；半马；（伊顿公学的）学期；通常为两等分之一
用法In use
She cut the apple into two halves.
用法提示：名词复数形式“halves”表示两个相等部分。
Half of the students passed the exam.
用法提示：名词“half”作主语，后接of短语表示整体的一部分。
He spent half of his salary on rent.
用法提示：名词“half”作宾语，表示抽象数量的一半。
half a loaf
half an hour
a century and one half
half of + noun phrase
Half of the students are from China.
相关词与表达Connections
搭配Collocations
- first half
- 上半场
- The team scored three goals in the first half.球队在上半场进了三个球。
- second half
- 下半场
- They came back strong in the second half.他们下半场强势反击。
- other half
- 另一半
- She is looking for her other half.她正在寻找她的另一半。
- half of
- 一半的
- Half of the students were absent.一半的学生缺席了。
- half an hour
- 半小时
- I'll be there in half an hour.
学习提示Learner notes
记忆技巧Memory Tip
想象一个披萨被切成两半，'half' 就是其中一半。
语境与语域Context & Register
多用于体育比赛或表演的分节，以及日常等分场景，属于中性语域。
发音与拼写Pronunciation & Spelling
Words that rhyme with 'half': calf, staff (both have /ɑːf/ sound). Words with similar spelling but different pronunciation (ending in 'alm' /ɑːm/): calm, palm, balm.
高价值词汇High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
用法优先级Usage priority
Collins 词频等级为 5，建议结合例句记忆，而不是只背中文释义。
一起学习词形Learn the forms together
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.