- When something is divided into two equal sections, half is one of the two parts. You can split a brownie in half if you want to share it with your friend.
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- n. 一半；半场
- adj. 一半的
- adv. 一半地
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1. two and a half kilos
两公斤半
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2. One and a half hours are allowed for the exam.
考试时间为一个半小时。
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3. An hour and a half is allowed for the exam.
考试时间为一个半小时。
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4. The second half of the book is more exciting.
书的后半部份比较刺激有趣。
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5. I've divided the money in half.
我把钱平均分成了两半。
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6. No goals were scored in the first half.
上半场没有得分。
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7. half an hour
半小时
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8. Half the fruit was bad. Half of the fruit was bad.
水果坏了一半。
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9. Half of the money was mine.
那些钱有一半是我的。
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10. The glass was half full.
玻璃杯半满。
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11. The chicken was only half cooked.
鸡只煮了半熟。
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12. half-closed eyes
半睁半闭的眼
- half Old English half, halb (Mercian), healf (W. Saxon) "side, part," not necessarily of equal division (original sense preserved in behalf), from Proto-Germanic *halbaz "something divided" (source also of Old Saxon halba, Old Norse halfr, Old Frisian, Middle Dutch half, German halb, Gothic halbs "half"), perhaps from PIE root *skel- (1) "to cut." Noun, adjective, and adverb all were in Old English.
half ★ / hɑːf ; NAmE hæf / noun , determiner , pronoun , adverb half halves noun ★ ( plural halves / hɑːvz ; NAmE hævz / ) 1 ★ either of two equal parts into which sth 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。 ◆ The second half of the book is more exciting. 书的后半部份比较刺激有趣。 ◆ I've divided the money in half. 我把钱平均分成了两半。 ◆ We'll need to reduce the weight by half. 我们得把重量减轻一半。 ☞see also halve 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 ◆ No goals were scored in the first half. 上半场没有得分。 3 = halfback ☞see also centre half , scrum half 4 ( BrE) ( informal) half a pint 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。 IDIOMS and a ˈhalf ( 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 ˈhalves to do whatever you do completely and thoroughly 做任何事情都完全彻底；善始善终；不半途而废 ◆ You're expecting twins? Well, you never did do anything by halves. 你要生对双胞胎？唔，你做事倒从来不会只做一半。 go half and ˈhalf | go ˈhalves (with sb) to share the cost of sth equally with sb （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 ˈhalf of it used in negative sentences to say that a situation is worse or more complicated than sb thinks （用于否定句）比想像的更糟糕（或更复杂）的部份 ◆ ‘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。” how the other half ˈlives 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） too clever, etc. by ˈhalf ( BrE) ( informal, disapproving) clever, etc. in a way that annoys you or makes you suspicious 聪明（等）过头 ☞more at mind n. , six , time n. determiner , pronoun ★ 1 ★ an amount equal to half of sth/sb 半数 ◆ half an hour 半小时 ◆ 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。 ☞language bank at proportion 2 ~ the time, fun, trouble, etc. the largest part of sth 绝大部份（时间、乐趣、麻烦等） ◆ 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。 ◆ Half the time you don't even listen to what I say. 你大部份时间甚至没听我说的话。 IDIOMS half a ˌloaf is better than no ˈbread ( saying) you should be grateful for sth, 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 half a ˈminute, ˈsecond, etc. ( 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 ˈone, ˈtwo, etc. ( US also half after ˈone, ˈtwo, etc. ) ( also BrE , informal half ˈone, ˈtwo, etc. ) 30 minutes after any hour on the clock 一点（或两点）半等 adverb ★ 1 ★ to the extent of half 到一半程度；半 ◆ The glass was half full. 玻璃杯半满。 2 ★ partly 部份地 ◆ The chicken was only half cooked. 鸡只煮了半熟。 ◆ half-closed eyes 半睁半闭的眼 ◆ I'm half inclined to agree. 我不十分同意。 IDIOMS ˌhalf as ˌmany, ˌmuch, etc. aˈgain ( BrE) ( US half aˈgain as much ) an increase of 50% of the existing number or amount *50% 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。 ˌnot ˈhalf ( BrE) ( 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！” not ˈhalf as | not ˈhalf such a 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。 not half ˈbad ( informal) ( used to show surprise 表示吃惊 ) 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？ GRAMMAR POINT 语法说明 half / whole / quarter ■ Quarter, halfand wholecan all be nouns. *quarter、half 和 whole 均可作名词： ◆ Cut the apple into quarters. 把苹果切成四等份。 ◆ Two halves make a whole. 两个一半构成一个整体。 ■ Wholeis also an adjective. *whole 亦作形容词： ◆ I’ve been waiting here for a whole hour. 我在这儿等了整整一个小时。 ■ Halfis also a determiner. *half 亦作限定词： ◆ 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 aor thein front of halfwhen it is used in this way. 注意在此用法中 half 前面不加 a 或 the： ◆ I waited for half an hour. 我等了半个小时。 ◆ I waited for a half an hour. ■ Halfcan also be used as an adverb. *half 亦可作副词： ◆ This meal is only half cooked. 这顿饭只煮了个半熟。 half / hɑːf ; NAmE hæf / halves / hɑːvz ; NAmE hævz /
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