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PREP
從…移開；從…脫離
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...
他把腳從桌上移開。
I took the key for the room off a rack above her head...
我從她頭上方的架子上拿走了房門鑰匙。
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PREP
從（交通工具）上下來
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!...
火車運行時請勿上下車！
As he stepped off the aeroplane, he was shot dead.
他一走下飛機便中槍身亡。
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PREP
不去,不涉足（某處）
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...
把這些人關起來只是做到了不讓他們上街而已。
The local police had warned visitors to keep off the beach at night.
當地警方告誡游客不要在夜間去海灘。
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PREP
離（某地）不遠；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...
這艘船停泊在離該半島北部海岸不遠的地方。
Lily lives in a penthouse just off Park Avenue...
莉莉住在公園大道附近的一套頂層豪華公寓里。
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ADV
離開
If you go off, you leave a place.
例句
He was just about to drive off when the secretary came running out...
他正打算駕車離開，這時秘書跑了出來。
She gave a hurried wave and set off across the grass...
她匆匆地揮了揮手便穿過草地離開了。
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ADV
（用于非正式及有時具冒犯性的短語動詞）（走）開，（滾）開
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.
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ADV
（脫）掉（衣服）；（取）下（首飾）
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...
他摘下眼鏡，瘋狂地擦著鏡片。
He hastily stripped off his old uniform and began pulling on the new one.
他匆匆地脫下舊制服，開始穿上新的那件。
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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...
其他人這天沒上班。
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幾小時，商量一下的話沒準還能偶爾不用上晚班。
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PREP
避開（某話題）
If you keep off a subject, you deliberately avoid talking about it.
例句
Keep off the subject of politics...
勿談政治。
Keep the conversation off linguistic matters.
避談語言學問題。
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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，在波因頓完全滿意之前，這一協議不再作數。
The vacant W.B.C. junior-lightweight title has been called off...
空缺的世界拳擊理事會次輕量級頭銜被取消了。
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PREP
停服，停用（藥物等）；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...
她感覺好些了，那位精神科醫生讓她停止了藥物治療。
Most pregnant women remain off cigarettes while carrying the child.
大多數孕婦都在孕期戒了煙。
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PREP
不再喜歡；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.
腹瀉會讓人感到乏力，而且沒有胃口。
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ADV
（機器、電燈等）關掉，停掉，不再運轉
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...
當他把車開進車道時，他看到她臥室的燈已經熄了。
We used sail power and turned the engine off to save our fuel...
我們借助風帆的動力航行，且關掉了發動機以節省燃油。
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PREP
（價格）減掉，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號的西蒙斯皮衣店所有夾克降價20％。
...discounts offering thousands of pounds off the normal price of a car.
比平時車價低幾千英鎊的折扣
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ADV
（空間上）離，距
If something is a long way off, it is a long distance away from you.
例句
Florida was a long way off...
佛羅里達離這兒很遠。
...animals that from a long way off look like flies...
遠看像蒼蠅的動物
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ADV
（時間上）離，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...
這場危機看來遠未結束。
The required technology is probably still two years off.
所需技術可能還要兩年才能開發出來。
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PREP
從…（獲得）
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...
我得到的信息其實不多，即使有也是馬克告訴我的。
I can't find the boys' shampoo. I can't think where I put it when I took it off them...
我找不到那幫家伙的洗發水了，從他們那里拿來后我就忘了擱在什么地方。
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COMB in ADJ-GRADED
（與well,badly,worse等副詞連用構成形容詞）表示“處于…境況的”
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...
這些人大都不算太富裕。
Surely you can't be that badly off?...
你肯定沒那么窮吧？
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ADJ-GRADED
（食物）腐壞的，變質的，變味的
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!
別吃那個！它已經發霉變質了！
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PREP
依靠（食物、錢等生存）
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...
她丈夫只記得過去吃烤雞、喝威士忌的日子。
Antony had been living off the sale of his own paintings.
安東尼一直靠賣自己的畫為生。
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PREP
（機器）靠（某種燃料或動力運轉）
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.
這種光盤自動清洗機可用電池或電源兩種方式驅動。
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ADJ-GRADED
（行為）過頭的，不當的，無法接受的
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...
衣服上到處沾著化妝品回到家——他這樣有點過分了，是不是。
Some of the dialogue is slightly off.
部分對話有些不太得體。
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PHRASE
偶爾；有時；斷斷續續地
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...
我為了糊口仍然間或去做服務員。
We lived together, off and on, for two years.
我們斷斷續續在一起生活了兩年。