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PREP
（表示支承）在…上
If someone or something is on a surface or object, the surface or object is immediately below them and is supporting their weight.
例句
He is sitting beside her on the sofa...
他挨著她坐在沙發上。
On top of the cupboards are vast straw baskets which Pat uses for dried flower arrangements...
櫥柜頂上擺著帕特用來插干花的大草籃。
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PREP
（表示粘貼或附著）在…上
If something is on a surface or object, it is stuck to it or attached to it.
例句
I admired the peeling paint on the ceiling...
我“觀賞”著天花板上正在剝落的油漆。
The clock on the wall showed one minute to twelve...
墻上的鐘指向11點59分。
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PREP
（放、扔或掉）在…上面
If you put, throw, or drop something on a surface, you move it or drop it so that it is then supported by the surface.
例句
He got his winter jacket from the closet and dropped it on the sofa...
他從衣櫥里取出冬天穿的夾克，把它扔到沙發上。
He threw a folded dollar on the counter.
他將折起的1美元鈔票扔到柜臺上。
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PREP
（身體重量）由（某部位）支撐
You use on to say what part of your body is supporting your weight.
例句
He continued to lie on his back and look at clouds...
他仍舊仰臥著，望著天上的云彩。
He raised himself on his elbows, squinting into the sun...
他用胳膊肘支起身子，瞇著眼睛看了看太陽。
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PREP
（表示接觸到身體某部位）在…上
You use on to say that someone or something touches a part of a person's body.
例句
He leaned down and kissed her lightly on the mouth...
他俯下身去，在她嘴唇上輕輕一吻。
His jaw was broken after he was hit on the head.
他的頭部受重擊之后下頜骨折了。
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PREP
（某種表情）在（臉）上
If someone has a particular expression on their face, their face has that expression.
例句
The maid looked at him, a nervous smile on her face...
女服務員看著他，臉上帶著一絲局促不安的微笑。
She looked at him with a hurt expression on her face.
她望著他，臉上流露出受傷的表情。
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ADV
（穿或戴）上，在身上
When you put a piece of clothing on, you place it over part of your body in order to wear it. If you have it on, you are wearing it.
例句
He put his coat on while she opened the front door...
她打開前門時，他穿上了大衣。
I had a hat on.
我戴了頂帽子。
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PREP
帶在…身上
You can say that you have something on you if you are carrying it in your pocket or in a bag.
例句
I didn't have any money on me...
我身上一分錢也沒有。
I have those numbers, but not on me at the moment, they're at home.
我有這些號碼，但眼下沒帶在身上，擱在家里了。
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PREP
（視線）落在…身上
If someone's eyes are on you, they are looking or staring at you.
例句
Everyone's eyes were fixed on him...
每個人都盯著他看。
It's as if all eyes are focused on me...
好像所有的目光都聚集在我身上似的。
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PREP
（碰）上…（而受傷）
If you hurt yourself on something, you accidentally hit a part of your body against it and that thing causes damage to you.
例句
Mr Pendle hit his head on a wall as he fell...
彭德爾先生摔倒時頭磕到了墻上。
One day when my wife was doing the dishes she cut her hand on a broken glass.
一天，我妻子洗碗碟時，被一只破玻璃杯割破了手。
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PREP
在（某）地
If you are on an area of land, you are there.
例句
He was able to spend only a few days at a time on the island...
他每次去島上都只能呆幾天。
You lived on the farm until you came back to America?
你回美國之前一直生活在農場嗎？
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PREP
是（道路、海岸等）的一部分；在…邊上
If something is situated on a place such as a road or coast, it forms part of it or is by the side of it.
例句
Bergdorf Goodman has opened a men's store on Fifth Avenue...
波道夫·古德曼在第五大道上開了一家男裝店。
The hotel is on the coast...
這家飯店在海邊。
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PREP
上，乘（公共汽車、火車或飛機）
If you get on a bus, train, or plane, you go into it in order to travel somewhere. If you are on it, you are travelling in it.
例句
We waited till twelve and we finally got on the plane...
我們一直等到12點才終于上了飛機。
I never go on the bus into the town...
我從不坐公共汽車去城里。
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PREP
（寫或印刷）在…上
If there is something on a piece of paper, it has been written or printed there.
例句
The writing on the back of the card was cramped but scrupulously neat...
這張卡片的背面寫滿了密密麻麻但卻十分工整的字。
The numbers she put on the chart were 98.4, 64, and 105...
她在圖表上寫的數字是98.4，64和105。
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PREP
在（名單）上；包括在…內
If something is on a list, it is included in it.
例句
I've seen your name on the list of deportees...
我看見你的名字在被驅逐出境者名單之列。
The Queen now doesn't even appear on the list of the 40 richest people in Britain.
如今女王甚至連英國首富榜的前40名都擠不進去。
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PREP
（書、討論或觀點）關于，涉及
Books, discussions, or ideas on a particular subject are concerned with that subject.
例句
The longest chapter in almost any book on baby care is on feeding...
幾乎所有關于嬰兒護理的書籍中內容最多的一章都是喂養。
They offer a free counselling service which can offer help and advice on legal matters...
他們提供免費咨詢服務，給予法律問題的援助和建議。
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PREP
以，憑，靠（某一方法、原則或系統）
You use on to introduce the method, principle, or system which is used to do something.
例句
...a television that we bought on credit two months ago.
我們兩個月前賒購的電視機
...a levelling system which acts on the same principle as a spirit level...
工作原理與氣泡水準儀相同的水準測量系統
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PREP
通過，借助于（某一器械或機器）
If something is done on an instrument or a machine, it is done using that instrument or machine.
例句
...songs that I could just sit down and play on the piano...
我坐下來就可以在鋼琴上彈出的歌曲
I could do all my work on the computer...
我所有的工作都能在計算機上完成。
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PREP
以…方式（儲存信息）
If information is, for example, on tape or on computer, that is the way that it is stored.
例句
'I thought it was a load of rubbish.' — 'Right we've got that on tape.'...
“我覺得那是一派胡言。”——“沒錯，我們已經把它錄在磁帶上了?！?/i>
Descriptions of the pieces have been logged on computer by the Art Loss Register...
藝術品失竊登記處已經將這些藝術品的描述信息輸入到計算機里。
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PREP
在（廣播或電視）上播出
If something is being broadcast, you can say that it is on the radio or television.
例句
Every sporting event on television and satellite over the next seven days is listed...
未來7天通過電視和衛星轉播的每一項體育賽事都列在節目預告單上。
Here, listen, they're talking about it on Radio-Paris right now.
嘿，聽，巴黎電臺正在談論這事呢。
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ADJ
正在發生的
When an activity is taking place, you can say that it is on .
例句
There's a marvellous match on at Wimbledon at the moment...
此刻在溫布爾登正進行著一場精彩的比賽。
Every year they put a play on at Saint Holy Cross Church...
他們每年在圣十字教堂上演一出劇目。
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ADV
（表示某人忙碌程度）忙得很/沒什么可忙
You use on in expressions such as 'have a lot on' and 'not have very much on' to indicate how busy someone is.
例句
I have a lot on in the next week.
我下周特別忙。
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PREP
（引出所進行的活動，特別是旅行）處于…情況中，在從事…中
You use on to introduce an activity that someone is doing, particularly travelling.
例句
I've always wanted to go on a cruise...
我一直想坐游輪旅游。
They look happy and relaxed as they stroll in the sunshine on a shopping trip...
他們漫步于陽光下購物，看上去悠然愜意。
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ADV
（機器、電燈等）開著，工作著，使用中
When something such as a machine or an electric light is on, it is functioning or in use. When you switch it on, it starts functioning.
例句
The light was on and the door was open...
燈亮著，門也敞開著。
The central heating's been turned off. I've turned it on again...
中央供暖系統已經關上。我又將它打開了。
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PREP
是…的成員；供職于
If you are on a committee or council, you are a member of it.
例句
Claire and Beryl were on the organizing committee...
克萊爾和貝麗爾是組委會成員。
He was on the Council of Foreign Relations.
他任職于外交關系委員會。
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PREP
在（某一日子或日期）（發生）
You can indicate when something happens by saying that it happens on a particular day or date.
例句
This year's event will take place on June 19th, a week earlier than usual...
今年的活動將于6月19日舉行，比往年提前一周。
She travels to Korea on Monday...
她周一前往韓國。
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PREP
在…后立即；一…就
You use on when mentioning an event that was followed by another one.
例句
She waited in her hotel to welcome her children on their arrival from London...
她在賓館里等候，準備第一時間迎接孩子們從倫敦過來。
On reaching Dubai the evacuees are taken straight to Dubai international airport.
撤離人員一抵達迪拜就徑直被送往迪拜國際機場。
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ADV
（繼續）下去
You use on to say that someone is continuing to do something.
例句
They walked on in silence for a while...
他們繼續默默無語地走了一會兒。
If the examination shows your company enjoys basically good health, read on...
要是審查表明你們公司的運營狀況基本良好，請繼續往下讀。
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ADV
不停地（數落、抱怨、糾纏）
If you say that someone goes on at you, you mean that they continually criticize you, complain to you, or ask you to do something.
例句
She's been on at me for weeks to show her round the stables...
她纏了我好幾個星期了，要我帶她去馬廄看看。
He used to keep on at me about the need to win...
他以前總是跟我嘮叨必須獲勝才行。
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ADV
從…時候起；自…以后
You use on in expressions such as from now on and from then on to indicate that something starts to happen at the time mentioned and continues to happen afterwards.
例句
Perhaps it would be best not to see much of you from now on...
也許從現在起我們最好少見面。
We can expect trouble from this moment on...
從此刻起，我們將會麻煩纏身。
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ADV
（常用在副詞early，late，far及其比較級之后，尤置于句首、句尾或介詞之前）
You often use on after the adverbs 'early', 'late', 'far', and their comparative forms, especially at the beginning or end of a sentence, or before a preposition.
例句
The market square is a riot of colour and animation from early on in the morning...
從大清早起這個市集廣場就色彩繽紛，生機勃勃。
Later on I learned how to read music...
后來我學會了識譜。
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PREP
定期服用；服…成癮
Someone who is on a drug takes it regularly.
例句
She was on antibiotics for an eye infection that wouldn't go away...
由于眼睛感染一直不見好，她在服用抗生素。
Many of the elderly are on medication.
許多老年人都需按時服藥。
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PREP
以…（為食）；（機器）用（某種動力或燃料運轉）
If you live on a particular kind of food, you eat it. If a machine runs on a particular kind of power or fuel, it uses it in order to function.
例句
The caterpillars feed on a wide range of trees, shrubs and plants...
毛蟲以各類樹木、灌木和植物為食。
He lived on a diet of water and tinned fish...
他僅靠喝水、吃魚罐頭過活。
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PREP
以…（為收入）
If you are on a particular income, that is the income that you have.
例句
...young people who are unemployed or on low wages...
失業或低收入的年輕人
He's on three hundred a week...
他的周薪為300塊。
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PREP
（稅收或利潤）獲自…，來自…
Taxes or profits that are obtained from something are referred to as taxes or profits on it.
例句
...a general strike to protest a tax on food and medicine last week...
上周抗議對食品和藥品征稅的大罷工
The Church was to receive a cut of the profits on every record sold...
每賣出一張唱片就會有一部分利潤捐給教會。
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PREP
在…方面（花錢）
When you buy something or pay for something, you spend money on it.
例句
I resolved not to waste money on a hotel...
我決心不在住旅館方面浪費錢。
He spent more on feeding the dog than he spent on feeding himself...
他喂狗花的錢比自己的飲食開銷還多。
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PREP
在…方面（花時間或精力）
When you spend time or energy on a particular activity, you spend time or energy doing it.
例句
People complain about how children spend so much time on computer games...
人們常抱怨孩子花太多時間玩電腦游戲。
You all know why I am here. So I won't waste time on preliminaries.
你們都知道我來這里的目的。所以我就閑話少說了。
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PHRASE
無法接受的；行不通的
If you say that something is not on or is just not on, you mean that it is unacceptable or impossible.
例句
I'm not having children who don't like cheese. It's not on...
我可不要不愛吃奶酪的孩子，那可不行。
We shouldn't use the police in that way. It's just not on.
我們不該那樣動用警力，那根本不可接受。
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PHRASE
不停地；繼續不斷地
If you say that something happens on and on, you mean that it continues to happen for a very long time.
例句
...designers, builders, fitters — the list goes on and on...
設計師、建筑工人、裝配工——這個單子可以沒完沒了
Lobell drove on and on through the dense and blowing snow.
洛貝爾冒著紛飛的大雪不停地往前開。
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PHRASE
（表示困惑）在談論什么
If you ask someone what they are on about or what they are going on about, you are puzzled because you cannot understand what they are talking about.
例句
What on earth are you going on about?...
你到底在說些什么呀？
Honest, Kate, I don't know what you're on about.
說真的，凱特，我不知道你在說些什么。
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PHRASE
（表示有信心）知道自己在說些什么，了解情況
If you say that someone knows what they are on about, you are confident that what they are saying is true or makes sense, for example because they are an expert.
例句
It looks like he knows what he's on about.
他看起來很在行。
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PHRASE
掌握不利于（某人）的證據；抓住（某人）的把柄
If someone has something on you, they have evidence that you have done something wrong or bad. If they have nothing on you, they cannot prove that you have done anything wrong or bad.
例句
He may have something on her. He may have supplied her with drugs, and then threatened to tell if she didn't do this...
他或許抓住了她的什么把柄?？赡苁墙o她提供了毒品，然后威脅她如果不這樣做的話就告發她。
You've got nothing on me and you know it. Your theory would never stand up in a court of law.
你手里沒有對我不利的證據，這一點你很清楚。你的揣測在法庭上是絕對站不住腳的。