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单词 half
释义

half

noun
 
/hɑːf/
/hæf/
(plural halves
/hɑːvz/
/hævz/
)
Idioms
  1.  
     either of two equal parts into which something is or can be divided一半；半
    • two and a half kilos (= 2½)两公斤半
    • One and a half hours are allowed for the exam.考试时间为一个半小时。
    • An hour and a half is allowed for the exam.考试时间为一个半小时。
    • half of something in the first half of the 20th century20 世纪上半叶
    • The second half of the book is more exciting.书的后半部分比较刺激有趣。
    • The two halves of the city were reunited in 1990.1990 年，这座城市的两半重新统一。
    • the left half of the brain左脑
    • the lower half of the window窗户的下半部
    • the northern half of the country该国北半部
    • in half I've divided the money in half.我把钱平均分成了两份。
    • by half We'll need to reduce the weight by half.我们得把重量减轻一半。
    Grammar Point half / whole / quarterhalf / whole / quarter
    • Quarter, half and whole can all be nouns:
      • Cut the apple into quarters.把苹果切成四瓣。
      • Two halves make a whole.两个一半构成一个整体。
    • Whole is also an adjective:
      • I’ve been waiting here for a whole hour.我在这儿等了整整一个小时。
    • Half is also a determiner:
      • Half (of) the work is already finished.工作已经完成了一半。
      • They spent half the time looking for a parking space.他们花了一半的时间寻找停车位。
      • Her house is half a mile down the road.她的房子在这条路上前面半英里远的地方。
      Note that you do not put a or the in front of half when it is used in this way:
      • I waited for half an hour.我等了半个小时。
      • I waited for a half an hour.
    • Half can also be used as an adverb:
      • This meal is only half cooked.这饭只煮了个半熟。
    see also halve
    Extra Examples
    • Cut the remaining half into large chunks.把剩下的一半切成大块。
    • Over a half of all accidents happen in the home.超过半数的事故是在家里发生的。
    • She's four and a half years old now.她现在四岁半。
    • in the latter half of the 19th century19 世纪后半叶
    • the rear half of the car汽车的后半部
    • We split the work half and half.我们把工作对半分。
    Oxford Collocations Dictionaryadjective
    • first
    • second
    • last
    • …
    preposition
    • by half
    • in half
    • in the… half
    • …
    phrases
    • about half
    • almost half
    • around half
    • …
  2.  
     either of two periods of time into which a sports game, concert, etc. is divided（比赛、音乐会等的）半场，半局
    • in the… half No goals were scored in the first half.上半场没有得分。
    • half of something She played well in the second half of the match.她在下半场比赛中发挥出色。
    • He made two superb saves in the first two minutes of the half.他在上半场的前两分钟内做出了两次精彩的扑救。
    • We had a few chances to score in both halves.上下半场我们都有几次进球机会。
    Topics Sports: ball and racket sportsa1
    Oxford Collocations Dictionaryadjective
    • first
    • second
    • last
    • …
    preposition
    • by half
    • in half
    • in the… half
    • …
    phrases
    • about half
    • almost half
    • around half
    • …
  3. (also half back, North American English halfback)
     one of the defending players in hockey or rugby whose position is between those who play at the front of a team and those who play at the back（曲棍球或橄榄球）前卫 see also scrum half
  4. (also half back, North American English halfback, tailback)
     one of the two attacking players in american football whose position is behind the quarterback and next to the full backs（美式足球的）半卫
  5. (also half back, North American English halfback)
     [uncountable] the position a half back plays at (also called a tailback in american football)半卫的位置
  6. (British English, informal) half a pint (= 0.568 of a litre in the UK and some other countries, and 0.473 of a litre in the US) of beer or a similar drink（啤酒等饮料的）半品脱
    • Two halves of bitter, please.请来两杯半品脱的苦啤酒。
    More Like This Silent lettersSilent letters
    • gnarled
    • gnash
    • gnat
    • gnaw
    • gnome
    • haute cuisine
    • heir
    • herb
    • honour
    • hors d’oeuvre
    • hour
    • knack
    • knee
    • kneel
    • knife
    • knight
    • knit
    • knob
    • knock
    • knot
    • know
    • knuckle
    • psalm
    • psephology
    • psychic
    • ptarmigan
    • pterodactyl
    • psychology
    • wrangle
    • wrap
    • wreath
    • wreck
    • wrench
    • wrestle
    • wriggle
    • wring
    • write
    • wrong
    • bomb
    • climb
    • crumb
    • doubt
    • lamb
    • limb
    • ascent
    • fascinate
    • muscle
    • scene
    • scissors
    • height
    • right
    • sleigh
    • weight
    • align
    • campaign
    • design
    • foreign
    • malign
    • reign
    • unfeigned
    • balmy
    • calm
    • calf
    • half
    • yolk
    • autumn
    • column
    • condemn
    • damn
    • hymn
    • solemn
    • bristle
    • fasten
    • listen
    • mortgage
    • soften
    • thistle
    • wrestle
    • biscuit
    • build
    • circuit
    • disguise
    • guilty
    • league
    • rogue
    • vague
    • yacht
    • answer
    • sword
    • two
    7. Word OriginOld English half, healf, of Germanic origin; related to Dutch half and German halb (adjectives). The earliest meaning of the Germanic base was ‘side’, also a noun sense in Old English.
Idioms
and a half
  1. (informal) bigger, better, more important, etc. than usual更大（或好、重要等）的；非同寻常的；出色的
    • That was a game and a half!那场比赛真棒！
do nothing/not do anything by halves
  1. to do whatever you do completely and to the greatest possible degree善始善终；不半途而废
    • You're expecting twins? Well, you never did do anything by halves.你怀了对双胞胎？唔，你倒是一步到位。
go half and half | go halves (with somebody)
  1. to share the cost of something equally with somebody（和某人）平均分摊费用
    • We go halves on all the bills.我们平均分摊所有的费用。
the half of it
  1. used in negative sentences to say that a situation is worse or more complicated than somebody thinks（用于否定句）比想象的更糟糕（或更复杂）的部分
    • ‘It sounds very difficult.’ ‘You don't know the half of it.’“这事听起来很难。”“你还未了解更困难的一面呢。”
have a good mind to do something | have half a mind to do something
  1. used to say that you think you will do something, although you are not sure想去做某事，可能会做某事（但不确定）
    • I've half a mind to come with you tomorrow.明天我可能会和你一起去。
    Topics Doubt, guessing and certaintyc2
  2. used to say that you think that what somebody has done is bad and should do something about it, although you probably will not很想做某事（以示警告，但未必会做）
    • I've a good mind to write and tell your parents about it.我真想写信给你父母，告诉他们这件事。
how the other half lives
  1. the way of life of a different social group, especially one much richer than you另一类人的生活方式（尤指比自己富有得多的人）
it’s six of one and half a dozen of the other
  1. (saying) used to say that there is not much real difference between two possible choices半斤八两；不相上下Topics Preferences and decisionsc2
time and a half
  1. one and a half times the usual rate of pay通常工资的一倍半
    • We get time and a half on Sundays.周日我们有一个半时间。
    see also double time
too clever, etc. by half
  1. (British English, informal, disapproving) clever, etc. in a way that annoys you or makes you not trust somebody/something聪明（等）过头

half

determiner, pronoun
 
/hɑːf/
/hæf/
Idioms
  1.  
     an amount equal to half of something/somebody半数
    • I'll see you in half an hour.半小时后见。
    • Half (of) the fruit was bad.水果坏了一半。
    • Half of the money was mine.那些钱有一半是我的。
    • He has a half share in the company.他拥有该公司的一半股份。
    • Out of 36 candidates, half passed.36 名考生中有半数及格。
    Grammar Point half / whole / quarterhalf / whole / quarter
    • Quarter, half and whole can all be nouns:
      • Cut the apple into quarters.把苹果切成四瓣。
      • Two halves make a whole.两个一半构成一个整体。
    • Whole is also an adjective:
      • I’ve been waiting here for a whole hour.我在这儿等了整整一个小时。
    • Half is also a determiner:
      • Half (of) the work is already finished.工作已经完成了一半。
      • They spent half the time looking for a parking space.他们花了一半的时间寻找停车位。
      • Her house is half a mile down the road.她的房子在这条路上前面半英里远的地方。
      Note that you do not put a or the in front of half when it is used in this way:
      • I waited for half an hour.我等了半个小时。
      • I waited for a half an hour.
    • Half can also be used as an adverb:
      • This meal is only half cooked.这饭只煮了个半熟。
    Language Bank proportionproportionDescribing fractions and proportions
      • According to this pie chart, a third of students’ leisure time is spent watching TV.如饼分图所示，学生的闲暇时间有三分之一都花在看电视上。
      • One in five hours is/​are spent socializing.每五个小时中有一个小时花在社交活动上。
      • Socializing accounts for/makes up/comprises about 20 per cent of leisure time.社交活动约占休闲时间的 20%。
      • Students spend twice as much time playing computer games as doing sport.学生们玩电脑游戏的时间是做运动时间的两倍。
      • Three times as many hours are spent playing computer games as reading.玩电脑游戏的时间是阅读时间的三倍。
      • The figure for playing computer games is three times higher than the figure for reading.玩电脑游戏的时间比阅读时间多两倍。
      • The largest proportion of time is spent playing computer games.大部分时间都花在玩电脑游戏上。
  2. half the time, fun, trouble, etc. the largest part of something绝大部分（时间、乐趣、麻烦等）
    • Half the time you don't even listen to what I say.你大部分时间甚至没听我说的话。
    • Half the fun of gardening is never knowing exactly what's going to come up.园艺的最大乐趣是谁也不知道到底会长出什么。
    3. Word OriginOld English half, healf, of Germanic origin; related to Dutch half and German halb (adjectives). The earliest meaning of the Germanic base was ‘side’, also a noun sense in Old English.
Idioms
half a loaf (is better than no bread)
  1. (saying) you should be grateful for something, even if it is not as good, much, etc. as you really wanted; something is better than nothing半块面包比没有面包强；聊胜于无
    • The offer only amounted to half a loaf, but campaigners grabbed it anyway.虽然报价只有半块，但活动人士还是抢走了。
half a minute, second, etc.
  1. (informal) a short time短时间；一会儿
    • Hang on. I'll be ready in half a minute.等一下。我马上就准备好了。
half past one, two, etc.
 
(also British English, informal half one, two, etc.)
  1. 30 minutes after any hour on the clock一点（或两点）半等Topics Timea1

half

adverb
 
/hɑːf/
/hæf/
Idioms
  1.  
     to the extent of half到一半程度；半
    • The glass was half full.玻璃杯半满。
    • The hall was half empty.大厅有一半是空的。
    • She is half Italian.她有一半意大利血统。
  2.  
     partly部分地
    • The chicken was only half cooked.鸡只煮了半熟。
    • half-closed eyes半睁半闭的眼
    • I was still half asleep.我还半睡半醒。
    • I half expected them to follow us.我还有点以为他们会跟着我们。
    • I'm half inclined to agree.我不十分同意。
    Grammar Point half / whole / quarterhalf / whole / quarter
    • Quarter, half and whole can all be nouns:
      • Cut the apple into quarters.把苹果切成四瓣。
      • Two halves make a whole.两个一半构成一个整体。
    • Whole is also an adjective:
      • I’ve been waiting here for a whole hour.我在这儿等了整整一个小时。
    • Half is also a determiner:
      • Half (of) the work is already finished.工作已经完成了一半。
      • They spent half the time looking for a parking space.他们花了一半的时间寻找停车位。
      • Her house is half a mile down the road.她的房子在这条路上前面半英里远的地方。
      Note that you do not put a or the in front of half when it is used in this way:
      • I waited for half an hour.我等了半个小时。
      • I waited for a half an hour.
    • Half can also be used as an adverb:
      • This meal is only half cooked.这饭只煮了个半熟。
    Extra Examples
    • The child looked half starved.孩子看起来半饿了。
    • You're half right.你说对了一半。
    3. Word OriginOld English half, healf, of Germanic origin; related to Dutch half and German halb (adjectives). The earliest meaning of the Germanic base was ‘side’, also a noun sense in Old English.
Idioms
the glass is half-empty
  1. used to refer to the attitude of somebody who always looks at the bad things in a situation rather than the good ones用于指在某种情况下总是看到坏事而不是好事的人的态度
    • For me the glass is half-empty.对我来说，杯子是半空的。
    • If you start to look at things with a glass half-empty mentality, your problems soon pile up.如果你开始以半空的心态看待事物，你的问题很快就会堆积起来。
the glass is half-full
  1. used to refer to the attitude of somebody who always looks at the good things in a situation rather than the bad ones 用于指某人在某种情况下总是看到好的一面而不是坏的一面的态度
    • My glass is always half-full.我的杯子总是半满的。
    • She always looks on the bright side—she's a glass half-full kind of person.她总是往好的一面看——她是一个半满杯子的人。
half as many, much, etc. again (British English)
(US English half again as much)
  1. an increase of 50 per cent of the existing number or amount50% 的增长
    • Spending on health is half as much again as it was in 2009.卫生保健方面的开销比 2009 年增加了一半。
not half
  1. (British English, informal) used to emphasize a statement or an opinion很；非常
    • It wasn't half good (= it was very good).这很好。
    • ‘Was she annoyed?’ ‘Not half!’ (= she was extremely annoyed)“她生气了吗？”“非常生气！”
    Topics Opinion and argumentc2
not half as | not half such a
  1. not nearly远非；差得多
    • He is not half such a fool as they think.他远不是他们以为的那么傻。
    • The result was not half as bad as expected.结果远不如预想的那么差。
not half bad
  1. (informal) (used to show surprise) not bad at all; good一点不坏；很好
    • It really isn't half bad, is it?这的确很不错，对吗？
    • I saw him yesterday, and he wasn't looking half bad.我昨天看见他了，他看起来状态很不错。
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更新时间：2026/5/17 17:40:15