A half amount or object is one of two equal parts of that amount or object.
a half measure of fresh lemon juice.
半量杯的新鲜柠檬汁。
Steve did not say anything during the first half hour.
史蒂夫在前半小时什么也没有说。
You use half to say that something is only partly the case or happens to only a limited extent.
His eyes were half closed.
他的双眼半闭着。
His refrigerator frequently looked half empty.
他的冰箱经常看上去是半空着的。
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.
她是一半意大利一半英国血统。
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.
他累得半死不活。
You use 'not half' to emphasize a negative quality that someone has.
You're not half the man you think you are.
你一点儿也不是你自认为的那种男人。
halves
Half of a number, an amount, or an object is one of two equal parts that together make up the whole number, amount, or object.
She wore a diamond ring worth half a million dollars.
她戴了一枚价值50万美元的钻戒。
More than half of all US households are heated with natural gas.
超过半数的美国家庭用天然气供暖。
They need an extra two and a half thousand pounds to complete the project.
他们还需要两千五百英镑才能完成该项目。
More than half of all households have incomes above £35,000.
在所有家庭中,有一半以上收入超过3.5万英镑。
The bridge was re-built in two halves.
该桥分两半重建。
400 jobs were cut in the first half of this year.
今年上半年裁掉了400个工作岗位。
In games such as football, rugby, and basketball, games are divided into two equal periods of time which are called halves.
The only goal was scored by Jakobsen early in the second half.
这唯一的进球是雅各布森在下半场开始不久打进的。
half past
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.'
“你打算什么时间吃午饭?” “十二点半,如果方便的话。”
go halves
If two people go halves, they divide the cost of something equally between them.
She went halves on petrol.
她分摊了汽油费用。
You use half to indicate that you are referring to one of two equal parts of a particular group or thing.
We just sat and talked for half an hour or so.
我们只是坐着谈了半小时左右。
They had only received half the money promised.
他们只收到了一半当初承诺的钱。
She's half his age.
她的年龄只有他的一半。
Half can also be used in this way with a noun referring to a long period of time or a large quantity.
I thought about you half the night.
我想了你半夜。