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off是什么意思

off

英[ɒf] 美[ɔːf]

prep. 从…落下，离开，从…去掉，下班；
adv. 离开，距，离，被取消，下班；
adj. 不新鲜的，不能接受，不礼貌；
n. 起跑；
v. 杀死；

第三人称单数：offs;

过去式：offed;

过去分词：offed;

现在分词：offing;

同义词

adj.
off的同义词之：不正常的,古怪的
strange eccentric abnormal peculiar offbeat
off的同义词之：低于正常的,次的
subnormal inferior irregular substandard
off的同义词之：空闲的,假日的
not discretionary liberty leisure on free leave open duty holiday working off idle
off的同义词之：较远的,远离的
faraway further outlying farther far
off的同义词之：错误的,不正确的
miscalculated erros misled inaccurate wrong mistaken in erroneous misguided incorrect
adv.
off的同义词之：距,离,远处地
aside away distantly out
prep.
off的同义词之：离...,从...
out of away from

反义词

prep.
off的反义词之：离开;在...之外
on
off的反义词之：其他释义
on

词组

off and on
intermittently; now and then 间歇地；偶尔

柯林斯高阶英汉双解学习词典释义

PREP

从…移开；从…脱离

If something is taken off something else or moves off it, it is no longer touching that thing.
例句
He took his feet off the desk... 他把脚从桌上移开。 I took the key for the room off a rack above her head... 我从她头上方的架子上拿走了房门钥匙。
PREP

从（交通工具）上下来

When you get off a bus, train, or plane, you come out of it or leave it after you have been travelling on it.
例句
Don't try to get on or off a moving train!... 火车运行时请勿上下车！ As he stepped off the aeroplane, he was shot dead. 他一走下飞机便中枪身亡。
PREP

不去,不涉足（某处）

If you keep off a street or piece of land, you do not step on it or go there.
例句
Locking up men does nothing more than keep them off the streets... 把这些人关起来只是做到了不让他们上街而已。 The local police had warned visitors to keep off the beach at night. 当地警方告诫游客不要在夜间去海滩。
PREP

离（某地）不远；在…附近

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.
例句
The boat was anchored off the northern coast of the peninsula... 这艘船停泊在离该半岛北部海岸不远的地方。 Lily lives in a penthouse just off Park Avenue... 莉莉住在公园大道附近的一套顶层豪华公寓里。
ADV

离开

If you go off, you leave a place.
例句
He was just about to drive off when the secretary came running out... 他正打算驾车离开，这时秘书跑了出来。 She gave a hurried wave and set off across the grass... 她匆匆地挥了挥手便穿过草地离开了。
ADV

（用于非正式及有时具冒犯性的短语动词）（走）开，（滚）开

Off is used in a number of informal and sometimes offensive phrasal verbs, such as buzz off ,clear off, or in British English bugger off, which are used to tell someone angrily to go away.
ADV

（脱）掉（衣服）；（取）下（首饰）

When you take off clothing or jewellery that you are wearing, you remove it from your body.
例句
He took off his spectacles and rubbed frantically at the lens... 他摘下眼镜，疯狂地擦着镜片。 He hastily stripped off his old uniform and began pulling on the new one. 他匆匆地脱下旧制服，开始穿上新的那件。
ADV

（因生病、放假等等）休息，不工作

If you have time off or a particular day off, you do not go to work or school, for example because you are ill or it is a day when you do not usually work.
例句
The rest of the men had the day off... 其他人这天没上班。 You can even snatch a few hours off, and perhaps negotiate the occasional night off too... 你甚至可以抽空休息几小时，商量一下的话没准还能偶尔不用上晚班。
PREP

避开（某话题）

If you keep off a subject, you deliberately avoid talking about it.
例句
Keep off the subject of politics... 勿谈政治。 Keep the conversation off linguistic matters. 避谈语言学问题。
ADV

取消；中止

If something such as an agreement or a sporting event is off, it is cancelled.
例句
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。 The vacant W.B.C. junior-lightweight title has been called off... 空缺的世界拳击理事会次轻量级头衔被取消了。
PREP

停服，停用（药物等）；戒…

If someone is off something harmful such as a drug, they have stopped taking or using it.
例句
She felt better and the psychiatrist took her off drug therapy... 她感觉好些了，那位精神科医生让她停止了药物治疗。 Most pregnant women remain off cigarettes while carrying the child. 大多数孕妇都在孕期戒了烟。
PREP

不再喜欢；不再想

If you are off something, you have stopped liking it.
例句
I'm off coffee at the moment... 我眼下不再嗜咖啡了。 Diarrhoea can make you feel weak, as well as putting you off your food. 腹泻会让人感到乏力，而且没有胃口。
ADV

（机器、电灯等）关掉，停掉，不再运转

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 functioning.
例句
As he pulled into the driveway, he saw her bedroom light was off... 当他把车开进车道时，他看到她卧室的灯已经熄了。 We used sail power and turned the engine off to save our fuel... 我们借助风帆的动力航行，且关掉了发动机以节省燃油。
PREP

（价格）减掉，降低

If there is money off something, its price is reduced by the amount specified.
例句
...Simons Leatherwear, 37 Old Christchurch Road. 20 per cent off all jackets this Saturday. 本周六老基督堂路37号的西蒙斯皮衣店所有夹克降价20％。 ...discounts offering thousands of pounds off the normal price of a car. 比平时车价低几千英镑的折扣
ADV

（空间上）离，距

If something is a long way off, it is a long distance away from you.
例句
Florida was a long way off... 佛罗里达离这儿很远。 ...animals that from a long way off look like flies... 远看像苍蝇的动物
ADV

（时间上）离，距

If something is a long time off, it will not happen for a long time.
例句
An end to the crisis seems a long way off... 这场危机看来远未结束。 The required technology is probably still two years off. 所需技术可能还要两年才能开发出来。
PREP

从…（获得）

If you get something off someone, you obtain it from them.
例句
I don't really get a lot of information, and if I do I get it off Mark... 我得到的信息其实不多，即使有也是马克告诉我的。 I can't find the boys' shampoo. I can't think where I put it when I took it off them... 我找不到那帮家伙的洗发水了，从他们那里拿来后我就忘了搁在什么地方。
COMB in ADJ-GRADED

（与well,badly,worse等副词连用构成形容词）表示“处于…境况的”

Off combines with adverbs such as 'well', 'badly', and 'worse' to form adjectives that indicate how poor or rich someone is.
例句
Most of these people aren't very well off... 这些人大都不算太富裕。 Surely you can't be that badly off?... 你肯定没那么穷吧？
ADJ-GRADED

（食物）腐坏的，变质的，变味的

If food has gone off, it tastes and smells bad because it is no longer fresh enough to be eaten.
例句
Don't eat that! It's mouldy. It's gone off! 别吃那个！它已经发霉变质了！
PREP

依靠（食物、钱等生存）

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.
例句
Her husband's memories are of living off roast chicken and drinking whisky... 她丈夫只记得过去吃烤鸡、喝威士忌的日子。 Antony had been living off the sale of his own paintings. 安东尼一直靠卖自己的画为生。
PREP

（机器）靠（某种燃料或动力运转）

If a machine runs off a particular kind of fuel or power, it uses that power in order to function.
例句
The Auto Compact Disc Cleaner can run off batteries or mains. 这种光盘自动清洗机可用电池或电源两种方式驱动。
ADJ-GRADED

（行为）过头的，不当的，无法接受的

If you say that someone's behaviour is a bit off, you mean that you find it unacceptable or wrong.
例句
...coming home with make-up all over his clothes — it's a bit off isn't it... 衣服上到处沾着化妆品回到家——他这样有点过分了，是不是。 Some of the dialogue is slightly off. 部分对话有些不太得体。
PHRASE

偶尔；有时；断断续续地

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.
例句
I was still working on and off as a waitress to support myself... 我为了糊口仍然间或去做服务员。 We lived together, off and on, for two years. 我们断断续续在一起生活了两年。

英汉词典释义

prep.
(表示位置)在…的外面, 在…的沿海
The boat anchored off the fort. 那艘船停在堡垒外面。 The ship sank off the south coast of the island. 那艘船在岛的南岸沿海沉没。
(表示时间)在…之前
It is a few minutes off three o'clock. 还有几分钟就三点了。
(表示方向)从…, 通向, 偏离, 从…离开
He fell off the ladder. 他从梯子上掉下来。 The kitchen's off the dining room. 厨房通向餐厅。 We are going off the subject. 我们正偏离正题。 He was off his seat. 他离开他的位子。
(表示比较)低于, 不及
They are selling the bikes off the market price. 他们按低于市价卖出自行车。
(表示否定)不想，戒除
He is off tea. 他不想喝茶。 She's off work with a bad cold. 她因患重感冒而不上班。
(表示来源)从…
He borrowed a pound off me. 他借我一英镑。
(表示依附)依靠
This bear feeds off the leaves of the tree. 这只熊依靠这棵树的树叶生存。
从…去掉；从…移开
下班；休息
偏离…价格；削价；杀价
adv.
离开
They drove off. 他们开车离开了。
脱落
He's had his beard shaved off. 他把胡子剃掉了。
未连接；不工作
The radio is off. 录音机是关着的。
光, 完
His money was off yesterday. 昨天他的钱用完了。
休息
We are off one day. 我们休息一天。
不再会发生；被取消
( 食谱中的项目) 没有；不再供应
减价的；削价的
在剧院舞台的后面（或旁边）
（用以表示除去了某物）
起跑
adj.
休息的; 闲散的; 安静的
The winter is an off season. 冬天是淡季。
不新鲜的
This fish has gone off. 这条鱼已不新鲜。
不礼貌；不热情；冷淡
不能接受；难于容忍；不行
关着的；停着的；停止流通的
不再举行的，延期的；不再生效的；取消的
不工作的，休息的；(时间)空闲的
低于标准的；不如平常的；不活跃的；安静的
n.
起跑
关闭(或断开、取消)状态
(赛马的)开始
interj.
离开!站开!滚蛋!
vi.
[用于祈使句]走开，滚开；站开

英英词典释义

Adjective
1. not in operation or operational;
"the oven is off""the lights are off"
2. below a satisfactory level;
"an off year for tennis""his performance was off"
3. (of events) no longer planned or scheduled;
"the wedding is definitely off"
4. in an unpalatable state;
"sour milk"
5. not performing or scheduled for duties;
"He's off every Tuesday""he was off duty when it happened""an off-duty policeman"
Adverb
1. from a particular thing or place or position (`forth' is obsolete);
"ran away from the lion""wanted to get away from there""sent the children away to boarding school""the teacher waved the children away from the dead animal""went off to school""they drove off""go forth and preach"
2. at a distance in space or time;
"the boat was 5 miles off (or away)""the party is still 2 weeks off (or away)""away back in the 18th century"
3. no longer on or in contact or attached;
"clean off the dirt""he shaved off his mustache"

行业词典

体育：出界；
大气科学：离岸风；off-shore wind 沿岸地区, 由陆地吹向水域的风。；
物理学：离轴全息术： off-axis holography；轴外象差： off-axis aberration：离轴椭球面镜： off-axis ellipsoidal mirror；偏轴角： off-axis angle；离线分析： off-line analysis；非对角元： off-diagonal element；［偏］离共振加热： off-resonant heating；
电力：离线安全评估；off-line security assessment；场外应急计划；off-site emergency plan；
电子学：断；