查词历史：

half half-open interval

half
[英] [hɑ:f] [美] [hæf, hɑf] 生词本

adj.

n.

adv.

  • 易混淆的单词：Half  

  • 柯林斯高阶英汉双解学习词典

  • 英英释义

  • 行业释义

  • 词典例句

1. 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. 

  • 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。

  • Cut the tomatoes in half vertically...

    把番茄竖着切成两半。

  • Half is also a predeterminer.

    • We just sat and talked for half an hour or so...

      我们只是坐了一会，聊了大约半小时。

    • They had only received half the money promised...

      他们只收到了所承诺的钱数的一半。

    • She's half his age.

      她年龄比他小一半。

  • Half is also an adjective.

    • ...£.75 for a half chicken tandoori.

      半只唐杜里无皮鸡的价格为0.75英镑

    • ...a half measure of fresh lemon juice...

      半份鲜榨柠檬汁

    • Steve barely said a handful of words during the first half hour.

      史蒂夫在前半小时里没说几句话。

2. 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. 

  • 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。

  • She'd half expected him to withdraw from the course.

    她多少已经预料到他会中途就退出这门课程。

3. 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. 

  • 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。

4. 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. 

  • ...a half of lager and a sandwich.

    半品脱淡啤酒和一份三明治

5. 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. 
6. 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. 

  • She was half Italian and half English.

    她是半意大利半英国血统。

7. PREP-PHRASE （时间）…点半 You use half past to refer to a time that is thirty minutes after a particular hour. 

  • '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。

8. PREP 同 half past Half means the same as half past . 

  • They are supposed to be here at about half four.

    他们应该在4点半左右到达这里。

9. 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. 

  • 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。

  • Half can also be used in this way with a noun referring to a long period of time or a large quantity.（与名词连用，表示时间很久或数量很大）大部分的，几乎全部的

    • I thought about you half the night...

      我几乎整夜都在想着你。

    • He wouldn't know what he was saying half the time...

      他大部分时间里都不知道自己在说些什么。

    • One phone call and half the city's police force will be around to arrest you.

      只要打个电话，警察就会倾城而动过来抓你。

10. 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. 

  • 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。

  • She eventually decided the acting profession wasn't half bad...

    她最终断定，表演这一行并不适合。

11. 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. 

  • 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。

12. 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. 

  • 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。

13. 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. 

  • 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。

14. 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. 

  • 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。

15. 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. 

  • 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。

16. 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. 

  • 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。

17.   half the battle→see: battle;  half an ear→see: ear;  too clever by half→see: clever; 
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"

体育

  • 1.中前卫
  • 2.半时
  • 3.半区
  • 4.二分之一区
  • 5.一方场区
  • 6.第二排队员

土木工程

<名>
  • 1.中承式桥
  • 2.half-through bridge

机械

<名>
  • 1.半功率点
  • 2.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。
  • 3.半电池
  • 4.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。
  • 5.半价层
  • 6.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

<名>
  • 1.卤鲜品
  • 2.fresh fish product 用少量食盐短期保藏的鲜鱼品。
  • 3.salted refreshment 用少量食盐短期保藏新鲜鱼品的一种方法。

物理学

<名>
  • 1.半共心［共振］腔
  • 2.half-concentric resonator, hemi- concentric resonator
  • 3.半波损失
  • 4.half-wave loss
  • 5.半影器件
  • 6.half-shade device
  • 7.半色调
  • 8.half-tone
  • 9.半对称［共振］腔
  • 10.half-symmetric resonator
  • 11.半波片
  • 12.half-wave plate
  • 13.半周期带
  • 14.half-period zone
  • 15.泄电半值时间
  • 16.half-value discharging time
  • 17.半共焦［共振］腔
  • 18.half-confocal resonator, hemicon- focal resonator
  • 19.半波天线
  • 20.half-wave antenna
  • 21.半镀银镜
  • 22.half-silvered mirror

电力

<名>
  • 1.半衰期
  • 2.half-life, half life period
1. Women hold up half of heaven [half the sky].; Women shoulder [prop up] half (of) the sky.; Women prop up the other half of the sky.
妇女能顶半边天。

来自《现代汉英综合大词典》

2. American motion pictures are written by the half-educated for the half-witted.
美国电影，是由一班只受过半瓶醋教育的人为蠢人而作的。

来自《简明英汉词典》

3. Printing originated in China. In the period between the Sui Dynasty in the second half of the 6th century and the Tang Dynasty in the first half of the early 7th century, lithographic printing was invented and, in the 9th century, a large number of books began to be printed by the lithographic process. In the reign of Emperor Qingli of the Northern Song Dynasty (960 A.D.-1127 A.D.), a common fellow named Bi Sheng invented printing by movable type and started to use baked clay types for printing. The technology was introduced to other countries in about the mid-8th century.
中国首先发明印刷术。公元6世纪下半叶到7世纪上半叶的隋、唐之际， 中国就发明了雕版印刷，到9世纪， 开始了大规模的雕版印书。北宋庆历年间， 平民毕升发明用胶泥焙烧的活字， 开始了活字印刷。约在8世纪中叶，印刷术传到国外。

来自《现代汉英综合大词典》

4. 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。

来自《简明英汉词典》

5. She was half laughing, half crying.
她半哭半笑。

来自《简明英汉词典》

6. A fault confessed is half redressed.
承认错误等于改正了一半。

来自《简明英汉词典》

7. A half truth is often no better than a lie.
半真半假的话不见得比说谎要好。

来自《简明英汉词典》

8. A lie which is half a truth is ever the blackest of lies.
真假参半的谎言最险恶。

来自《现代汉英综合大词典》

9. A man could not lift it, no, nor half a dozen.
一个人是举不起来的，不，六个人也举不起来。

来自《现代英汉综合大词典》

10. A stroke paralysed half his face.
中风使他半边脸瘫痪。

来自《简明英汉词典》

11. A stroke paralyzed half his face.
中风使他半边脸瘫痪。

来自《简明英汉词典》

12. About half this amount comes from individual donors and bequests.
这笔钱大约有一半来自个人捐赠及遗赠。

来自《简明英汉词典》

13. After a year and a half of war Russia was defeated.
一年半的战争之后俄国被击败了。

来自《用法词典》

14. After making a shorttest fight at 4:15 a.m,Bleriot set off half an hour later.
早上4点15分开始进行了短时间的试飞，半小时后布莱理奥特动身了。

来自《用法词典》

15. After roaming around nearly half his life,he finally settled down in Canada.
他过了半辈子的流浪生活，最后在加拿大定居了下来。

来自《简明英汉词典》

16. After roaming around nearly half his life,he finally settled down in Quebec.
他过了半辈子的流浪生活，最后在魁北克定居了下来。

来自《简明英汉词典》

17. Agricultural subsidies absorb about half the EU's income.
农业补贴占去了欧盟收入的大约一半。

来自《简明英汉词典》

18. At half-time the advantage lay with them.
上半场结束时他们占优势。

来自《现代汉英综合大词典》

19. 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。

来自《简明英汉词典》

20. At half-time the score stood at 3-0.
半场时比分为3 比0。

来自《简明英汉词典》