off
[ADJ, ADV, PREP]
1. （食物）变质了的
If food has gone off, it tastes and smells bad because it is no longer fresh enough to be eaten.
近义词
ADJ. 形容词
1. 下
If something is taken off or moves off, it is no longer touching something.
双语例句
例：Lee broke off a small piece of orange and held it out to him.
李掰下一小瓣橘子递给他。
2. 下（公车、火车或飞机等）
If someone gets off, they leave a bus, train, or plane after they have been travelling on it.
双语例句
例：At the next stop the man got off too and introduced himself.
那个男人在下一站也下车了，并做了自我介绍。
3. 不在（某街道或某地等）上地
If you keep off, you do not step on or go into a street or a piece of land.
双语例句
例：a sign saying 'Keep Off'
一个写着“请勿靠近”的牌子。
4. 离开
If you go off, you leave a place.
双语例句
例：He was just about to drive off when the secretary came running out.
他正要开车离去，这时秘书跑了出来。
例：She was off again, to Kenya.
她又走了，去肯尼亚。
5. （从身体上脱、摘）下
When you take off clothing or jewellery that you are wearing, you remove it from your body.
双语例句
例：He took off his spectacles and rubbed frantically at the lens.
他摘下眼镜慌乱地擦着镜片。
6. 不在工作中地 , 不在学习中地
If you have time off or a particular day off, you do not go to work or school, for example, because you are sick or it is a day when you do not usually work.
双语例句
例：The rest of the men had the day off.
其余的人放假一天。
例：I'm off tomorrow.
我明天休息。
7. 减（价）
If an amount of money is taken off, the price of something is reduced by the amount specified.
双语例句
例：If you pay in cash, I can knock £50 off.
如果你付现金，我可以便宜50英镑。
8. 离（某处）远
If something is a long way off, it is a long distance away from you.
近义词
双语例句
例：Florida was a long way off.
佛罗里达很远。
9. 离（某时）远
If something is a long time off, it will not happen for a long time.
双语例句
例：An end to the crisis seems a long way off.
这场危机看来还要很长一段时间才会结束。
10. （协议或运动事件等）取消
If something such as an agreement or a sports event is off, it is cancelled.
双语例句
例：Until Pointon is completely happy, however, the deal's off.
但是，在波因顿完全满意之前，这一协议不再作数。
11. （机器或电灯等）关闭着
When something such as a machine or electric light is off, it is not functioning or in use. When you switch it off, you stop it from functioning.
双语例句
例：As he pulled into the driveway, he saw her bedroom light was off.
当他驶入车道时，看见她卧室的灯关着。
例：We used sail power and turned the engine off to save our fuel.
我们关掉了发动机，用帆航行以节省燃料。
ADV. 副词
on and off , off and on
1. 有时
If something happens on and off, or off and on, it happens occasionally, or only for part of a period of time, not in a regular or continuous way.
双语例句
例：I was still working on and off as a waitress to support myself.
我仍时不时地做女招待来维持生活。
PHRASE. 习语
1. （从某物）下来
If something is taken off something else or moves off it, it is no longer touching that thing.
近义词
from
双语例句
例：He took his feet off the desk.
他把双脚从书桌上移开。
例：I took the key for the room off a rack above her head.
我从她头顶上方的一个架子上拿下了房间的钥匙。
2. 下（公车、火车或飞机等）
When you get off a bus, train, or plane, you come out of it or leave it after you have been travelling on it.
双语例句
例：Don't try to get on or off a moving train!
火车行驶中请勿上下车！
3. 不在（某街道或某地等）上
If you keep off a street or piece of land, you do not step on it or go there.
双语例句
例：Locking up men does nothing more than keep them off the streets.
把男人锁起来只是为了不让他们上街而已。
4. 在离（某地）不远处
If something is situated off a place such as a coast, room, or road, it is near to it or next to it, but not exactly in it.
双语例句
例：The boat was anchored off the northern coast of the peninsula.
那只船停泊在离半岛北海岸不远处。
例：Lily lives in a penthouse just off Park Avenue.
莉莉住在离公园大街不远的一处顶层公寓里。
5. 不在工作中 , 不在学习中
If you have time off work or school, you do not go to work or school, for example, because you are sick or it is a day when you do not usually work.
双语例句
例：He could not get time off work to go on vacation.
他无法从工作中抽出时间去休假。
6. 避开（某话题）
If you keep off a subject, you deliberately avoid talking about it.
双语例句
例：Keep off the subject of politics.
避开政治话题。
7. 减（价）
If there is money off something, its price is reduced by the amount specified.
双语例句
例：20 per cent off all jackets this Saturday.
这个星期六所有上衣减价20。
8. 从（某人那里得到）
If you get something off someone, you obtain it from them.
近义词
双语例句
例：I don't really get a lot of information, and if I do I get it off Mark.
我真没得到太多信息，即便有也是从马克那里得到的。
9. 停服（药物）
If someone is off something harmful such as a drug, they have stopped taking or using it.
双语例句
例：She felt better and the psychiatrist took her off antidepressants.
她感觉好些了，于是精神科医师给她停用了抗抑郁药。
10. 不再喜欢（某物）
If you are off something, you have stopped liking it.
双语例句
例：I'm off coffee at the moment.
我暂时不喝咖啡了。
11. 靠（某种食物、某种资金等生存）
If you live off a particular kind of food, you eat it in order to live. If you live off a particular source of money, you use it to live.
近义词
双语例句
例：Her husband's memories are of living off roast chicken and drinking whisky.
她丈夫只记得吃烤鸡喝威士忌的日子。
12. （机器）靠（某种燃料或动力运行）
If a machine runs off a particular kind of fuel or power, it uses that power in order to function.
双语例句
例：The electric armour runs off the tank's power supply.
这辆电动装甲车靠坦克提供动力运转。
PREP. 介词
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