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| FUNCTION WORD |
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| /hɑːf/ |
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| 1 | ½ or 50%
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| | 1a | used for referring to one of two equal parts into which an amount , group , or object can be divided 一半；一半的 | | The rebel army now controls over half the country. 目前叛军控制了超过一半的国土。 | | The students spend half their time on practical work. 学生们把一半的时间花在实践工作上。 | | +of Prices rose by over 15% during the second half of 1988. 1988年的下半年物价上涨超过15％。 | | Would anyone like the other half of my pizza? 我的比萨饼的另一半有人要吗？ | | When we interviewed employees, nearly half of them complained of stress. 我们与雇员面谈时，有将近一半的人抱怨压力大。 | | divide/cut/split etc sth in half Peel the potatoes and cut them in half. 把马铃薯去皮，然后对半切。 | |
| | 1b | used in numbers, measurements, and ages to mean ½ （用在数字、尺寸、年龄中）半 | | One and a half million people have been driven from their homes. 150万人已经被赶出家园。 | | Jasmine started school when she was four and a half. 贾斯敏4岁半时开始上学。 | | half an hour/a mile etc We had to wait half an hour for a bus. 我们只好等了半小时公共汽车。 | | half hour/mile etc She walked the half mile from Fleet Street back to her office. 她从舰队街步行半英里回到了自己的办公室。 | | half a dozen/a half dozen (=six) half a dozen eggs 半打 | |
| | 1c | to make something 50% more/50% less 将某物增加/减少/削减一半 | | The risk of developing lung cancer has been reduced by half. 患肺癌的危险被降低了一半。 | |
| | 1d | used for saying that an amount/number is 50% greater than another /amount/number 比某数量多一半 | | A flat in London costs half as much again as a similar flat in Glasgow. 在伦敦买一套公寓比在格拉斯哥买同样的一套公寓要多花一半的钱。 | |
| | 1e | to share the cost of something with someone so that you each pay 50% （与某人）均摊费用 | | If we’ re going halves, we can afford to buy something really nice. 如果一人付一半的话，我们就能买得起非常好的东西。 | |
| | 1f | used for saying that someone or something is made up of 50% of one thing and 50% of something else 一半…，一半… | | half sth (and) half sth The fabric is half nylon, half cotton. 这种面料里尼龙和棉各占一半。 | | Marie is half Vietnamese, half French (=one of her parents is from Vietnam, the other is from France) . 玛丽有一半越南血统，一半法国血统。 | | The fearsome creature was half man and half beast. 这可怕的怪物是半人半兽。 | | half and half (=50% of each) There used to be a lot more men than women in the medical school, but now it’ s about half and half. 相等的；对等的 | |
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| 2 | partly
used for saying that something happens partly but not completely , or that something is partly in a particular state 部分地；在某种程度上 |
| Through the half open door I could hear the sound of Alan’ s voice. 从半开着的门里我可以听到艾伦的声音。 |
| The rocks were half under water. 礁石的一部分在水下。 |
| Perhaps he half realized that there was nothing more he could do. 他可能多少意识到自己再没什么可以做的了。 |
| half-empty/half-full a half-empty milk bottle 半空的牛奶瓶 |
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| 3 | used for emphasis
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| | 3a | used for emphasizing how bad or extreme a situation is （用于强调情况极糟或极严重） | | Your mother’ s been going half crazy worrying about you. 你母亲都快为你急疯了。 | | I seem to spend half my life cleaning up after those kids. 我似乎花了大半辈子时间跟在这些孩子身后收拾整理。 | |
| | 3b | used for emphasizing what you are saying , or for emphasizing that you mean ‘yes’ 非常 | | I never thought we’ d win. We weren’ t half lucky. 我从没想过我们会赢。我们太幸运了。 | | ‘Are you keen on motor racing?’ ‘Yeah, not half!’ “你喜欢赛车吗？”“是的，非常喜欢！” | |
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| 4 | period in a game
one of the two equal periods of time into which a game of football , basketball , hockey etc is divided (足球赛、篮球赛、曲棍球赛等的)半场，半局 |
| Neither team scored in the first half. 前半场两队均无得分。 |
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| 5 | BRITISH mainly spoken beer
half a pint of a drink , especially beer 半品脱（啤酒） |
| A pint of lager and a half of Guinness, please. 请来一品脱淡啤酒，半品脱吉尼斯黑啤酒。 |
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| 6 | BRITISH ticket
a ticket for a child or an old person , that only costs half the price that an adult usually pays 半（价）票 |
| Two and two halves to London Bridge, please. 买去伦敦桥的两张全票和两张半票。 |
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| 7 | BRITISH one of two areas in a sports field
one of the two equal areas of the field that are defended by either team in a game such as football （球赛场地的）半场 |
| PHRASES |
| - | ...and a half mainly spoken
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| used for emphasizing that you think something is very big , very good etc |
| 特大的；非常出色的 |
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| When Australia play England – that’ ll be a match and a half! 澳大利亚与英格兰的比赛会相当精彩！ |
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| - | given half a chance
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| used for saying that someone or something will do something if they get the opportunity |
| 只要有机会（就会做某事） |
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| - | half a minute/second mainly spoken
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| an extremely short time |
| 极短的时间；瞬间 |
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| If you’ d only listen for half a minute, I could explain everything. 只要你愿意听一小会儿，我就会把一切都解释清楚的。 |
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| - | half past one/two etc
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| thirty minutes after one o’ clocktwo o’ clock etc |
| 一点半/两点半等 |
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| The shops close at half past five. 商店5点半关门。 |
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| - | half the battle
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| the most important part of what you have to do in order to achieve something |
| 成功的一半；成功大有希望 |
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| Winning people’ s trust is half the battle. 取得了人们的信任，成功就大有希望了。 |
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| - | half the fun/problem/trouble etc
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| a large part of the funproblemtrouble etc that is involved in something |
| 主要的乐趣/问题/麻烦等 |
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| Putting up the decorations is half the fun of Christmas. 过圣诞节的一大乐趣来自悬挂装饰品。 |
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| - | how the otherhalf lives
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| the way that people who are much richer or poorer than you spend their lives |
| 比你富得多（或比你穷得多）的人的生活方式 |
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| - | not do things/anything by halves
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| to do things very thoroughly and with a lot of energy |
| 做事认真；做事情全心全意 |
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| He’ ll throw a great party – he doesn’ t do anything by halves. 他要举办一个盛大的聚会，他做事绝不马虎。 |
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| - | (not) be half the person/man/player etc you used to be
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| to be much less successful , happy , or strong than you used to be |
| （成功、幸福、健康等）大不如以前，今非昔比 |
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| - | not half as good/bad/much etc as
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| used for emphasizing that one person or thing is not nearly as goodbad etc as another |
| 远不如…那么好/那么坏/那么多等 |
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| I never thought that Chaplin was half as funny as Buster Keaton. 我认为卓别林远不如巴斯特·基顿滑稽。 |
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| - | not halfbad spoken
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| used for saying that someone or something is good , especially when they are better than you expected them to be |
| 相当好（尤指比所预期的好） |
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| It’ s one of the cheapest printers around, and it isn’ t half bad. 这是这里最便宜的打印机之一，而且质量相当不错。 |
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| - | sb’ s other/better half humorous
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| someone’ s wife , husband , or romantic partner |
| 某人的另一半 |
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| - | too clever/eager/cocky etc by half BRITISH spoken
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| used for showing that you do not approve of someone because they are cleverenthusiastic etc in a way that annoys you |
| 聪明得/急切得/骄傲得让人受不了 |
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| - | you don’ t know/haven’ t heard the half of it spoken
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| used for telling someone that a situation is more shocking or complicated than they think |
| 你还不知道更要紧的那部分呢 |
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