on
prep.（介詞）
Used to indicate position above and supported by or in contact with:
在…上：用于表示在…上及被…支撐或與…接觸的位置：
The vase is on the table. We rested on our hands and knees.
花瓶在桌子上.我們把頭靠在手和膝蓋上休息
Used to indicate contact with or extent over (a surface) regardless of position:
在…上面：表示不考慮位置接觸或在某一表面上：
a picture on the wall; a rash on my back.
墻上掛著的一幅畫；我背上長的疹子
Used to indicate location at or along:
表示位于或沿著：
the pasture on the south side of the river; a house on the highway.
河岸南邊的牧場；高速公路邊的房子
Used to indicate proximity:
表示接近：
a town on the border.
靠近邊界的一個(gè)市鎮(zhèn)
Used to indicate attachment to or suspension from:
表示附在…上或懸于…：
beads on a string.
細(xì)繩上懸的珠子
Used to indicate figurative or abstract position:
用以表示比喻的或抽象的位置：
on the young side, but experienced; on her third beer; stopped on chapter two.
相當(dāng)年輕,但經(jīng)驗(yàn)十足；在她喝第三杯啤酒時(shí)；到第二章為止
Used to indicate actual motion toward, against, or onto:
向…,朝…：用于表示實(shí)際的動(dòng)作朝向,對(duì)著…或在…上：
jumped on the table; the march on Washington.
跳到桌子上；向華盛頓的進(jìn)軍
Used to indicate figurative or abstract motion toward, against, or onto:
向…,在…上：用于表示比喻或抽象的運(yùn)動(dòng)的朝向,對(duì)著…或在…之上：
going on six o'clock; came on the answer by accident.
到快六點(diǎn)了；偶然找到了答案
Used to indicate occurrence at a given time:
用于表示事件發(fā)生在某指定的時(shí)間：
on July third; every hour on the hour.
在七月三日這一天；時(shí)時(shí)刻刻
Used to indicate the particular occasion or circumstance:
用以表示某一特定場合：
On entering the room, she saw him.
她一進(jìn)這個(gè)房間便看到了他
Used to indicate the object affected by actual, perceptible action:
對(duì)著：用于表示實(shí)際的、能察覺到的行為影響到的目標(biāo)：
The spotlight fell on the actress. He knocked on the door.
聚光燈把光集中打到女演員身上；他敲門
Used to indicate the object affected by a figurative action:
針對(duì)：用于表示一個(gè)想象的行動(dòng)影響到的目標(biāo)：
Have pity on them.
可憐他們吧
Used to indicate the object of an action directed, tending, or moving against it:
向著,對(duì)著：用于表示行動(dòng)指導(dǎo)、朝向或移向的目標(biāo)：
an attack on the fortress.
對(duì)城堡的襲擊
Used to indicate the object of perception or thought:
思考的事物：用于表示感覺和思想的對(duì)象：
gazed on the vista; meditated on his actions.
注視著風(fēng)景；策劃他的行動(dòng)
Used to indicate the agent or agency of a specified action:
行為的原因或動(dòng)力：用于表示對(duì)某一特定行為起作用或?qū)δ骋恍袨橛袔椭臇|西：
cut his foot on the broken glass; talked on the telephone.
碎玻璃把他的腳扎破了；通過電話聊天
Used to indicate a medicine or other corrective taken or undertaken routinely:
服用：用于表示有規(guī)律或經(jīng)常性服用的藥物或矯正性行為：
went on a strict diet.
進(jìn)行嚴(yán)格的食療
Used to indicate a substance that is the cause of an addiction, a habit, or an altered state of consciousness:
由于：引上癮、習(xí)慣或意識(shí)狀態(tài)改變的物質(zhì)：
high on dope.
因吸毒而陷入沉醉狀態(tài)
Used to indicate a source or basis:
根據(jù)：用于表示來源或基礎(chǔ)：
“We will reach our judgments not on intentions or on promises but on deeds and on results”(Margaret Thatcher)
“我們將根據(jù)事實(shí)和結(jié)果而不是目的或諾言來作出判斷”(瑪格麗特·撒切爾)
Used to indicate the state or process of:
表示…的狀態(tài)或過程：
on leave; on fire; on the way.
休假；著火；在途中
Used to indicate the purpose of:
表…的意圖：
travel on business.
商務(wù)旅行
Used to indicate a means of conveyance:
表示運(yùn)送方式：
ride on a train.
坐火車
Used to indicate availability by means of:
表示可利用的方法：表示用…方式獲?。?br/>beer on tap; a physician on call.
隨時(shí)可取用的啤酒；隨時(shí)待命的大夫
Used to indicate belonging to:
表歸屬：
a nurse on the hospital staff.
在醫(yī)院就職的護(hù)士
Used to indicate addition or repetition:
表示增加或重復(fù)：
heaped error on error.
錯(cuò)上加錯(cuò)
Concerning; about:
涉及；關(guān)于：
a book on astronomy.
有關(guān)天文學(xué)的書籍
Concerning and to the disadvantage of:
關(guān)于且不利于：
We have some evidence on him.
我們有一些不利于他的證據(jù)
Informal In one's possession; with:
【非正式用語】 擁有；帶著：
I haven't a cent on me.
我一分錢都沒帶
At the expense of; compliments of:
以…為代價(jià)；恭維：
drinks on the house.
免費(fèi)的飲料
adv.（副詞）
In or into a position or condition of being supported by or in contact with something:
在…加上：在或進(jìn)入受到某物支撐或與某物相接觸的位置或狀態(tài)：
Put the coffee on.
增加咖啡
In or into a position of being attached to or covering something:
附著,遮蓋：在或進(jìn)入到被連接或覆蓋某物的位置上：
Put your clothes on.
穿上你的衣服
In the direction of something:
在某事物的方向上：
He looked on while the ship docked.
船入碼頭時(shí)他一直在觀看
Toward or at a point lying ahead in space or time; forward:
向前：向前或位于空間或時(shí)間之前：
The play moved on to the next city.
劇組轉(zhuǎn)移到下一個(gè)城市演出
At or to a more distant point in time or space:
稍后地：在或向時(shí)間或空間上更遠(yuǎn)的一點(diǎn)：
I'll do it later on.
我稍后會(huì)做這件事
In a continuous course:
繼續(xù)：在連續(xù)的過程中：
He worked on quietly.
他一直默默地工作著
In or into performance or operation:
執(zhí)行,運(yùn)作：處于或進(jìn)入執(zhí)行或運(yùn)行中：
Turn on the radio.
打開收音機(jī)
In progress or action; in a state of activity:
進(jìn)展,繼續(xù)：在進(jìn)展或行動(dòng)中；在運(yùn)行狀態(tài)下：
The show must go on.
演出必須繼續(xù)下去
In or at the present position or condition:
位于或在現(xiàn)狀或現(xiàn)存的條件下：
stay on; hang on.
維持現(xiàn)狀；別掛電話
In a condition of being scheduled for or decided upon:
依照原定計(jì)劃地：在預(yù)先安排或已決定的狀態(tài)下：
There is a party on tonight.
今晚要舉行一個(gè)聚會(huì)
adj.（形容詞）
Being in operation:
在運(yùn)行中的：
The television is on.
電視機(jī)是開著的
Engaged in a given function or activity, such as a vocal or dramatic role:
從事某項(xiàng)活動(dòng)的：起作用的或參于某項(xiàng)活動(dòng),如演唱或戲劇中的角色：
You're on in five minutes!
五分鐘后你該上場表演了
Under or behaving as if under observation:
受注意的：在注意下的或好象在注意下行動(dòng)的：
A minister is always on.
部長的行為總在被大眾注意著
Slang Functioning or performing at a high degree of competence or energy:
【俚語】 表現(xiàn)優(yōu)越的：以高程度或能量起作用或執(zhí)行的：
The goalie is really on.
守門員表現(xiàn)出色
Planned; intended:
計(jì)劃的,本意的：
Our calendar is open; we have nothing on for this weekend.
我們?nèi)粘瘫硎强盏模贿@個(gè)周末我們沒有什么計(jì)劃
Happening; taking place:
發(fā)生的；出現(xiàn)的：
The parade is on.
游行在進(jìn)行
be on to【俚語】
To be aware of or have information about:
知道,意識(shí)到：意識(shí)到…或知道…的情況：
You'll never deceive us again; we're on to you.
你再也騙不了我們了；我們已識(shí)破了你的詭計(jì)
on and off
Intermittently.
間斷地,持續(xù)地
on and on
Without stopping; continuously.
無間斷地；連續(xù)不斷地
Middle English
中古英語
from Old English an, on * see an-
源自 古英語 an, on *參見 an-
To indicate motion toward a position, both onandontocan be used:
表示朝某一位置的移動(dòng)時(shí),on 和 on to 都可以使用：
The cat jumped on the table.
The cat jumped on the table .
The cat jumped onto the table.
The cat jumped onto the table.
Ontois more specific,however, in indicating that the motion was initiated from an outside point. He wandered onto the battlefieldmeans that he began his wandering at some point off the battlefield.He wandered on the battlefieldmay mean that his wandering began on the battlefield. ·In constructions where onis an adverb attached to a verb,it should not be joined with toto form the single wordonto:
Onto更具體, 但表示的動(dòng)作是從外面一點(diǎn)開始的.He wandered onto the battlefield 指他是從戰(zhàn)場外面一點(diǎn)開始漫游的. He wandered on the battlefield 可能意為是在戰(zhàn)場上他開始漫游的. 當(dāng)on 在結(jié)構(gòu)上作為連接動(dòng)詞的副詞時(shí), 不應(yīng)該和to 連接在一起形成一個(gè)單獨(dú)的詞 onto：
move on to (notonto )new subjects;
轉(zhuǎn)移到（而不是 onto ) 新的課題 ；
hold on to (notonto )our gains.·
保?。ǘ皇?onto ) 我們的成果 .
In their uses to indicate spatial relations, onanduponare often interchangeable:
在用于表示空間的關(guān)系上,on 和 upon 經(jīng)?？梢曰Q：
It was resting on (or upon )two supports.
它基于（或 upon ) 兩點(diǎn)證明.
She took it on (orupon )herself to finish the project.
她獨(dú)立（或 upon ) 完成了項(xiàng)目.
We saw a finch light on (orupon )a bough.
我們看到樹枝上停著（或 upon ) 一只麻雀.
To indicate a relation between two things, however, instead of between an action and an end point, upon cannot always be used:
但在表示兩件事物之間的關(guān)系而不是表示一種行為和行為終點(diǎn)之間的關(guān)系時(shí),upon 不總是能被使用：
Hand me the book on (notupon )the table.
幫我把書放在（而不是 upon ) 桌子上.
It was the only town on (notupon )the main line.
這是（而不是 upon ) 主要干線上唯一的城鎮(zhèn).
Similarly, uponcannot always be used in place ofon when the relation is not spatial:
同樣,當(dāng)兩者之間關(guān)系不是空間上的關(guān)系時(shí),不總是能用upon 代替 on ：
He wrote a book on (notupon )alchemy.
他寫了一本有關(guān)（而不是 upon ) 煉金術(shù)的書；
She will be here on (notupon )Tuesday.
她（而不是 upon ) 星期二要來這里.
ON
ON
abbr.（略語）
Also O.N. Old Norse.
也作 O.N. Old Norse.
Ontario.
Ontario.
on
[Rn]
prep.
在…上
sth. on the table
在桌上的東西
a ring on her finger
她手上的戒指
(= upon)
He stood on the clifftop looking out to the sea.
他站在懸崖頂上眺望大海.
The naughty boy sat on the edge of the fence dangling his legs.
"淘氣的小男孩坐在欄桿邊上,兩腿懸空."
（懸掛、固定）在…上
There is a list of our lessons on the wall.
墻上有我們的課程表.
(= upon)
朝,向
on my right
在我右邊
to make an attack on the enemy
向敵人進(jìn)攻
(= upon)
I'll meet you on / at the corner of Smith Street and Main Road.
我將在史密斯大街和湎洇路的十字路口與你會(huì)面.
關(guān)于
a lesson on history
歷史課
a book on breeding rabbits
一本有關(guān)養(yǎng)兔的書
當(dāng)…時(shí)候,在…時(shí)
on Monday
在星期一
on October 1st
在10月1 日
在…后立即
Some magazines pay on acceptance, others on publication.
一些雜志采用稿件后即付稿酬,另外一些則要到發(fā)表后才付.
on thinking the matter over
仔細(xì)考慮這件事之后
(= upon)
On whose authority are you putting these posters here?
你們得到誰的許可在這兒貼廣告?
The glass hit the corner of the table and broke on impact.
"玻璃杯碰到桌子角上,撞了個(gè)粉碎."
以…方式；靠
to travel on the ship
乘輪船旅行
They live on potatoes.
他們靠吃馬鈴薯生活.
(= upon)
在…情況下；處于…狀態(tài)
on purpose
故意地
These officers are on leave.
這些軍官在休假.
He went to Hong Kong on business.
他到香港出差去了.
The chief physician of the hospital is on circuit for most of the year.
這個(gè)醫(yī)院的主任醫(yī)師一年中大部分時(shí)間都在作巡回醫(yī)療.
on
adv.
繼續(xù)著
He worked on right through lunchtime.
午餐時(shí)間他還在工作.
The whole group worked on and on all night.
全組人員連續(xù)不斷地干了個(gè)通宵.
更遠(yuǎn)地；再向前地
Time is getting on.
時(shí)間漸晚.
Shall we go on?
我們繼續(xù)向前嗎?
開；處于工作狀態(tài)中
Switch the radio on.
打開收音機(jī).
Put the alarm clock on for 7 o'clock.
把鬧鐘撥到七點(diǎn).
固定上
to sew the button on
釘鈕扣
（時(shí)鐘）撥前地
not on
不可能
You can't refuse now — it's just not on!
你現(xiàn)在不能拒絕,這是不可能的!
on
adj.
開著的
Is the gas on?
煤氣開著嗎?
The radio's on but it isn't working.
收音機(jī)開著,但不響了.
Is the water / electricity on yet?
自來水/電通了嗎?
發(fā)生著的；正在進(jìn)行中的
A new film is now on.
現(xiàn)在正在上映一部新的電影.
Is the match still on?
比賽還在進(jìn)行嗎?
What's on television tonight?
今晚電視還有什么節(jié)目?
What's she on about now?
她又在嘮叨些什么了?
upon
[E5pCn]
prep.
=on
向上; 位于高處
逼近; 接觸
緊接著
The enemy was upon us.
敵人逼近我們.
The Christmas holiday will soon be upon us.
圣誕節(jié)馬上就要來到了.
【說明】upon或
on
一般可通用, 但有以下區(qū)別:
表示日期時(shí)一般只用on, 不用upon
在某些習(xí)語中, upon和on 不能互相替換, 如:upon my word, once upon a time, on no account
在句末或分句末的動(dòng)詞不定式后往往用 upon, 不用 on, 如:nothing to defend upon
on
比
upon
[E5pCn]
通俗
on
[Cn]
prep.
在...上
a painting on the wall
墻上的一幅畫
在...旁, 靠近
the inn on the road
路旁的旅店
the town on the river
臨河的城鎮(zhèn)
向著...
march on London
向倫敦前進(jìn)
smile on sb.
對(duì)著某人笑
在...時(shí)候; ...之后立即
on the morning of May 5th
在五月五日早晨
on arriving home
剛到家就...
on analysis
經(jīng)分析后
根據(jù); 憑; 靠
act on principles
照原則辦事
live on
靠...生活
On what ground?
憑什么理 由?
關(guān)于; 論述
a book on grammar
語法書
是...的成員
be on the committee
擔(dān)任委員
在從事...中, 處于...情況中
on duty
值班
on guard [the watch]
看守
通過, 以...方式
hear music on the radio
用收音機(jī)聽音樂
on the quiet
偷偷地
由...支付, 由...承擔(dān)
All the expenses fall on me.
全部費(fèi)用由我支付.
It is incumbent on me to reclaim him.
勸他改過是我義不容辭的義務(wù).
一個(gè)又一個(gè), 又, 累加
loss on loss
一再損失
heaps on heaps
許許多多
冒...危險(xiǎn)
on pain of death
冒生命危險(xiǎn)
You bet she could cook, She was just on it.
她當(dāng)然會(huì)燒菜, 她正好學(xué)會(huì)了這種手藝.
on
adv.
(安置)上去; (連接)上去
have one's shoes on
穿上鞋
turn on the radio
開收音機(jī)
向前去; 進(jìn)行下去; 繼續(xù)下去
further on
再向前
go on
往前走; 繼續(xù)下去
自從
from that day on
自從那天以后
later on
后來
on
adj.
進(jìn)行中的
The race is on.
比賽在進(jìn)行中.
[口]同意的; 樂意參加的
Are you on?
你同意(去)嗎?
[俚]醉了的
He is a bit on.
他有點(diǎn)兒醉了.
on-again
adj.
時(shí)有時(shí)無的, 斷斷續(xù)續(xù)的
oncoming
[5CnkQmiN]
adj.
迎面而來的, 即將到來的
on-course
adv.
在航線上
onfall
[5CnfC:l]
n.
攻擊, 襲擊
on-fiber
n.
給光型纖維
on-ga(u)ge
adj.
標(biāo)準(zhǔn)的, 合格的
on-grade
adj.
健全的, 無缺陷的; 等內(nèi)的
on-hook
n.
【信】掛機(jī), 在鉤
on-impedance
n.
動(dòng)態(tài)阻抗
on-licence
[`Cn9laIsLns,`R:n-]
n.
酒吧營業(yè)執(zhí)照
onload
[`CnlEJd,`R:n-]
vt.
裝載
onlooker
[5RnlJkE(r)]
n.
(袖手)旁觀者; 目擊者
onlooking
n., adj.
旁觀(的)
on-mike
n.
靠近話筒; 正在送話
on-off
[`CnCf,`R:nR:f]
adj.
時(shí)斷時(shí)續(xù)的, 開關(guān)的, 離合的, 雙位的, 通斷, 起停
on-peak
adj.
最高的; 峰值的
onroll
n.
滾滾向前
onside
[5RnsaId, Rn5saId]
adj.
未越位的
on-site
adv.
在工地上; 場[廠]區(qū)內(nèi); 單位內(nèi); 裝置內(nèi)
onslaught
[5RnslC:t]
n.
突擊, 猛攻
onstage
[`Cn`steIdV]
adj., adv.
在前臺(tái)(的)
on-state
adj.
(處于)接通(狀態(tài)下)的, 接通時(shí)的, 開態(tài)
on-stream
adv.
在操作中; 在工作中; 在運(yùn)轉(zhuǎn)中; 開車
onsweep
[`Cnswi:p]
n.
向前疾駛
on-switch
n.
啟動(dòng)開關(guān)
on-the -air
adj.
正在廣播, 正在發(fā)射(電波)
on-the -job -training
adj.
在職訓(xùn)練
on-the -run
adj.
臨時(shí)的, 倉促而成的
on-the -shelf
adj.
滯銷的; 擱置的; 廢棄的
on-the -spot
adj.
現(xiàn)場的; 當(dāng)場的
on-time
n.
接通持續(xù)時(shí)間, 工作時(shí)間; 準(zhǔn)時(shí)
on-track
n.
搬上軌道
on-tube
n.
接通(電子)管
and so on
等等
be on at
不斷地找岔[嘮叨]
be on it
[美口]準(zhǔn)備就緒; 決定動(dòng)手做; 熟練(某事)
beon to
知道; 識(shí)透; 對(duì)某人找岔子; 與...聯(lián)系[商談]
geton to
知道; 識(shí)透; 對(duì)某人找岔子; 與...聯(lián)系[商談]
have sth. on sb.
掌握某人的一些事實(shí)[證據(jù)]
just on
差不多
neither off nor on
優(yōu)柔寡斷的; 三心二意的; 沒有關(guān)系的
off and on (=on and off)
斷斷續(xù)續(xù)地; 不規(guī)則地
on and after
自...起, ...以后
on and on
繼續(xù)不斷地
on with
穿戴上; 開始; 繼續(xù)