half是什么意思？

half

英[hɑ:f] 美[hæf]

• adj. 一半的，半个的；
• n. 半，一半，（啤酒等饮料的）半品脱，（比赛、音乐会等的）半场；
• adv. 一半，部份地；

复数：halves;

例句

• I'll share my apple with you if you'll give me half of your cake. 你若把你的蛋糕给我一半, 我就与你分享我的苹果。
• She lay down for half an hour. 她休息了半小时。
• I've been waiting for the bus for half an hour. 我等车已等了半个小时了。
• At half-time the manager swapped some of the players around. 经理在半场时把几名队员换下了场。
• At half-time the score stood at 3-0. 半场时比分为3 比0。
• I'll ring you back in about half an hour. 我大约在半小时后给你回电话。
• The tenants waltzed off with half our possessions. 房客顺手牵羊把我们的东西带走了一半。
• He has gambled away half his fortune. 他赌博输掉了他一半的财产。
• To date he has done half the work. 至今他已完成这项工作的一半。
• The captain wants to play Brown at left half in the next game. 队长打算在下次比赛中让布朗踢左前卫。

同义词

• n.
  half的同义词之：半,一半
  equal, division, fifty, bisection, part, percent,
  half的同义词之：对手,伴侣,同伴
  match, alternate, double, companion, twin, mate,
• adv.
  half的同义词之：一半地,部分地
  halfway, insufficiently, half-full, half-empty, part, incompletely, passably, in, partly,
• adj.
  half的同义词之：一半的
  dichotomous, fragmentary, divided, partial, sectional, bisected, incomplete, halved, limited, fractional,

反义词

• adj.
  half的反义词之：一半的;不完整的
  whole,
• half的反义词之：其他释义
  whole,

词组

• a —— and a half
  (informal)used to indicate that one considers a particular person or thing to be an impressive example of their kind (非正式)非常出色的，非一般的，典范的
• at half cock
• half the battle
• half a chance
  (informal)the slightest opportunity (非正式)一点点机会，很小的机会
• half an eye
• the half of it
  [usu. with negative](informal)the most important part or aspect of something (非正式)最重要的一部分（或一方面）
• half one (two 等)
  informal way of saying &B{half past one (two, etc.)} (非正式)同 &B{half past one （two} 等）
• half past one (two 等)
  thirty minutes after one (two, etc.) o'clock 一（或两、三等等）点半
• half the time
• not do things by halves
  do things thoroughly or extravagantly 彻底地做事情；大肆铺张地做事情
• too —— by half
  used to emphasize something bad 太，过于
• by half
  By a considerable extent. 以可观程度地 By an excessive amount 过度地
• by halves
  In a reluctant manner; unenthusiastically. 不热情地：采取一种勉强的态度；不热情地
• in half
  Into halves. 成为相等的两半

英语四级真题

Central heating was present in every upper-and middle-class home by the second half of the 19th century.
出自-2014年6月阅读原文
The closest that Herpin came to resting was to sit in a rocking chair and read a half dozen newspapers.
出自-2014年6月听力原文
Half a century later GM is a typical example of poor management
出自-2013年6月阅读原文

英语六级真题

More than half of them were involved in inheritance disputes.
出自-2014年6月听力原文
Each burning season in the Amazon, fires deliberately set by frontier settlers and developers hurl up almost half a billion metric tons of carbon a year, placing Brazil among the top five contributors to greenhouse gases in the world.
出自-2013年6月阅读原文
The illness is dangerous, because it is involved in half of all automobile accidents.
出自-2013年6月听力原文

柯林斯高阶英汉双解学习词典释义

• FRACTION
  半;二分之一
  Half of an amount or object is one of two equal parts that together make up the whole number, amount, or object.
  例句
  They need an extra two and a half thousand pounds to complete the project... 他们还需要2,500英镑才能完成该项目。 More than half of all households report incomes above £35,000... 半数以上的家庭申报收入超过35,000英镑。
• ADV
  部分地;在某种程度上;有点
  You use half to say that something is only partly the case or happens to only a limited extent.
  例句
  His eyes were half closed... 他双眼半闭。 His refrigerator frequently looked half empty... 他的冰箱里经常半空着。
• N-COUNT
  （足球、橄榄球、篮球比赛等的）半场，半时，半局
  In games such as football, rugby, and basketball, matches are divided into two equal periods of time which are called halves.
  例句
  The only goal was scored by Jakobsen early in the second half. 唯一的一粒进球是由雅各布森在下半场刚开始时打进的。
• N-COUNT
  （啤酒、苹果酒等的）半品脱
  A half is half a pint of a drink such as beer or cider.
  例句
  ...a half of lager and a sandwich. 半品脱淡啤酒和一份三明治
• N-COUNT
  (儿童乘坐公共汽车或火车时的）半（价）票
  A half is a half-price bus or train ticket for a child.
• ADV
  一半…血统地
  You use half to say that someone has parents of different nationalities. For example, if you are half German, one of your parents is German but the other is not.
  例句
  She was half Italian and half English. 她是半意大利半英国血统。
• PREP-PHRASE
  （时间）…点半
  You use half past to refer to a time that is thirty minutes after a particular hour.
  例句
  'What time were you planning lunch?'—'Half past twelve, if that's convenient.'... “你打算什么时候吃午饭？”“如果方便的话，12点半。” I think I got there about four and left about half past. 我想我是4点钟左右到达那里，大约半个小时后离开的。
• PREP
  同 half past
  Half means the same as half past .
  例句
  They are supposed to be here at about half four. 他们应该在4点半左右到达这里。
• ADV
  （用于形容词前，表示强调或夸张）非常，极其
  You can use half before an adjective describing an extreme quality, as a way of emphasizing and exaggerating something.
  例句
  He felt half dead with tiredness... 他已经累得半死不活了。 All this time I've been half sick about you and why you wouldn't write. 我一直非常担心你，一直在想你为什么不来信。
• ADV
  （有时用在否定句中，表示非常肯定的意思）
  Half is sometimes used in negative statements, with a positive meaning, to emphasize a particular fact or quality. For example, if you say 'he isn't half lucky', you mean that he is very lucky.
  例句
  You don't half sound confident... 你听起来非常有信心。 I didn't half get into trouble... 我遇到了大麻烦。
• ADV
  一点也不;差得远
  You use not half or not half as to show that you do not think something is as good or impressive as it is meant to be.
  例句
  You're not half the man you think you are... 你根本不是你自己想象的那种人。 Poor old Henry, and not half as clever as he'd thought. 可怜的老亨利，以为自己多聪明。
• PHRASE
  非常…的;更…的;非同寻常的
  When you use an expression such as a problem and a half or a meal and a half, you are emphasizing that your reaction to it is either very favourable or very unfavourable.
  例句
  It becomes clear that Montgomerie has a job and half on his hands. 很显然，蒙哥马利手头有一大堆事情要做。
• PHRASE
  妻子;丈夫;另一半
  If you talk about your better half or your other half you mean your wife, your husband, or the person of the opposite sex that you live with.
  例句
  I was worried that my career, my children and my other half might become too much to cope with. 我担心我的事业、我的孩子们和我的那口子可能会让我应付不过来。
• PHRASE
  以一半;一半地
  If you increase something by half, half of the original amount is added to it. If you decrease it by half, half of the original amount is taken away from it.
  例句
  The number of 7 year olds who read poorly has increased by half over the past 5 years... 不识字的7岁儿童的人数在过去5年里增加了一半。 Cutting food intake by half is an incredibly difficult thing for anyone to do. 将进食量减半对任何人来说都是件非常难的事。
• PHRASE
  做事不认真;做事马虎
  If you say that someone never does things by halves, you mean that they always do things very thoroughly.
  例句
  In Italy they rarely do things by halves. Designers work thoroughly, producing the world's most wearable clothes in the most beautiful fabrics. 在意大利，人们很少马虎从事。设计师们精益求精，用最美丽的布料制造出世界上最适合穿着的衣服。
• PHRASE
  （两人）平均分摊，平分（费用）
  If two people go halves, they divide the cost of something equally between them.
  例句
  He's constantly on the phone to his girlfriend. We have to go halves on the phone bill which drives me mad. 他总和女友煲电话粥。令我抓狂的是电话费可是我们俩平摊的。

英汉词典释义

• adj.
  一半的, 半个的
  Half the apples are bad. 这些苹果有一半是坏的。 They stood in half a circle. 他们站成半圆形。 A half truth is often no better than a lie. 半真半假的话不见得比说谎要好。 Half knowledge of anything is dangerous. 对任何东西一知半解都是危险的。 My home is half a kilometre away from here. 我家离这儿有半公里。 He went out at half nine. 他九点半出门。 I met him half an hour ago. 我半小时前碰到他。
• n.
  半, 一半
  Cut the apple into halves. 把这个苹果切成两半。 He's in the bottom half of the class. 他在班上的名次位于后一半。 Railway fares are reduced by half for children. 铁路旅费对儿童减半。 Half of ten is five. 十的一半是五。 Half of the apples are unripe. 一半的苹果不熟。 Half of them are gone. 他们之中的一半人走了。 Only half of us came last Tuesday. 上星期二我们只有一半人来了。 She gave me half, and kept the other half for her husband. 她给了我一半, 把另一半留给她的丈夫了。
• adv.
  一半
  He was half under the bed, with his legs sticking out. 他一半身子在床上, 腿伸在外面。 My work is not half done yet. 我的工作还没做完一半呢。 These potatoes are only half cooked. 这些土豆煮得半生不熟。 We were driving half when the car broke down. 当汽车抛锚时, 我们正行驶了一半的路程。 She was half laughing, half crying. 她半哭半笑。 Oh, I'm half dead. 哦, 我快累死了。 The boy was half dead from hunger. 那男孩由于饥饿已经半死不活的了。

英英词典释义

• Noun
  1. one of two equal parts of a divisible whole;
  "half a loaf""half an hour""a century and one half"
  2. in various games or performances: either of two periods of play separated by an interval
• Adjective
  1. consisting of one of two equivalent parts in value or quantity;
  "a half chicken""lasted a half hour"
  2. partial;
  "gave me a half smile""he did only a half job"
  3. (of siblings) related through one parent only;
  "a half brother""half sister"
• Adverb
  1. partially or to the extent of a half;
  "he was half hidden by the bushes"

行业词典

• 体育： 中前卫；半时；半区；二分之一区；一方场区；第二排队员；
  土木工程： 中承式桥；half-through bridge；
  机械： 半功率点；half-power point 在谐振电路中，其功率为最大功率的一半(即电流为最大电流的0.707倍)时的频率。；半电池；half-cell 一个导电体(如金属)同离子导体(如电解质溶液)连接构成的系统。；半价层；half-value layer 能将已知射线强度减弱一半的某种物质的厚度。；
  水产： 卤鲜品；fresh fish product 用少量食盐短期保藏的鲜鱼品。；salted refreshment 用少量食盐短期保藏新鲜鱼品的一种方法。；
  物理学： 半共心［共振］腔；half-concentric resonator, hemi- concentric resonator；半波损失；half-wave loss；半影器件；half-shade device；半色调；half-tone；半对称［共振］腔；half-symmetric resonator；半波片；half-wave plate；半周期带；half-period zone；泄电半值时间；half-value discharging time；半共焦［共振］腔；
  电力： 半衰期；half-life, half life period；