1.一半；半either of two equal parts into which sth is or can be divided
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.书的后半部分比较刺激有趣。
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。
2.（比赛、音乐会等的）半场，半局either of two periods of time into which a sports game, concert, etc. is divided
No goals were scored in the first half.上半场没有得分。
3.（啤酒等饮料的）半品脱half a pint of beer or a similar drink
Two halves of bitter, please.请来两杯半品脱的苦啤酒。
That was a game and a half!那场比赛真棒！
That was a game and a half!那场比赛真棒！
You're expecting twins? Well, you never did do anything by halves.你怀了对双胞胎？唔，你倒是一步到位。
You're expecting twins? Well, you never did do anything by halves.你怀了对双胞胎？唔，你倒是一步到位。
We go halves on all the bills.我们平均分摊所有的费用。
We go halves on all the bills.我们平均分摊所有的费用。
‘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。”
‘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。”
1.半数an amount equal to half of sth/sb
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。
2.~ the time, fun, trouble, etc.绝大部分（时间、乐趣、麻烦等）the largest part of sth
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.你大部分时间甚至没听我说的话。
Hang on. I'll be ready in half a minute.等一下。我马上就准备好了。
Hang on. I'll be ready in half a minute.等一下。我马上就准备好了。
1.到一半程度；半to the extent of half
The glass was half full.玻璃杯半满。
2.部分地partly
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。
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。
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。
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！”
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！”
He is not half such a fool as they think.他远不是他们以为的那么傻。
He is not half such a fool as they think.他远不是他们以为的那么傻。
It really isn't half bad, is it?这的确很不错，对吗？
It really isn't half bad, is it?这的确很不错，对吗？
The centre-half has reached the zenith of his career, with performances that have been consistently outstanding throughout the season.
这位中后卫正处于职业生涯的巅峰时期，在本赛季一直保持这出色的表现。
'Then four years ago, after saving for a year-and-a-half, I made my first trip to the Himalayas.
四年前，我用一年半所积攒下来的钱来到了喜马拉雅山。
Brissenden half rose from his chair as he spoke, as if with the intention of departing to the restaurant forthwith.
布里森登说话时半欠起了身子，好像打算马上去餐厅。
"The matter has been under consultation for the past two and a half years, " he says.
“过去两年半，这个问题一直在磋商讨论之中，”他表示。
Of course, it would be a painful half hour for him, and an embarrassing half hour for her, because it would be her first proposal.
当然，半小时内他会很痛苦，她也会很尴尬，因为那会是她第一次有人求爱。
I had a death threat a year and a half ago and I had a death threat just before the release of my movie.
我在一年半前就收到过死亡威胁，而在《神枪手》上映前夕又收到过一次。
Sat in the front row, his mouth half open, his head thrust forward so as not to miss any word.
他坐在前排，口半张着，头往前倾，唯恐听漏一个字。
A half-mile of it was as much as he could stand, and he weakened under the strain.
阿半英里它是尽可能他站，他的压力下受到削弱。
so every time I got to the front collar and had to hold half the stitches.
所以每次织到领口要停掉一半的针数时。
I was in a small boat during the storm, but it stopped after half an hour and I was able to breathe again.
暴风雨期间我正呆在一只小船上。但半小时后暴风雨就停了，我这才松了一口气。
Generally speaking, the "inverted Huang Mei" of the time not long , short, about a week, long the 10 -day and a half months.
一般说来，“倒黄梅”维持的时间不长，短则一周左右，长则十天半月。
So by the time the people were beginning to laugh at each other, Richard was half-way down the lane at the heels of the geese.
所以当人们开始嘲笑对方，理查德是中途沿着小路在接踵而来的鹅。
Calming himself by calling upon the light side of the Force, Kenobi was able to surprise Maul, and cleave him in half with his saber.
他召唤原力光明面平静自己，出其不意地用光剑把摩尔砍成两段。
While I was trying to create a half into- half out of the water picture of a jellyfish, this fishing boat appeared in the horizon.
正当我企图创作一张在一半在水中，一半在水里的海蜇图片时，这条渔船出现在水平线上。
It's a vast improvement over talking for half an hour and hoping you touch on something of interest.
相对于讲半个小时，并且希望能触及感兴趣的事情来说，这时一个巨大的提高！
Why would someone even consider trying to open a golf club nearly one-and-a-half times the size of Manhattan?
为什么还会有人考虑尝试建设一个面积为曼哈顿1.5倍的高尔夫俱乐部呢？
2007 is shaping up to be the most exciting year since the community drove off the XML highway into the Web services swamp half a decade ago.
自五年前社区将XML的快速发展应用到Web服务以后，2007注定会成为最激动人心的一年。
You'd be surprised at what you can get out of a half-hour lunch with your team.
你会惊讶于花半小时与你的团队成员一起吃午餐能给你带来什么。
TCP connection to which the sender has not responded is called a "half-open" TCP connection.
一个发送方不反应的TCP连接被称为“半开”TCP连接。
Eventually selective logging would be the norm for an enormous lumber industry, at least throughout the eastern half of the U. S.
最终，选择性砍伐会成为木材业的常态，至少在美国东部是如此。
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