once
[wʌns]
adv.一次, 曾经
conj.一旦
n.一次
adj.曾经的
例句与用法:
Be pleasant to each other just this once.
彼此要和睦些--就只为这一次吧。
The film is at once humorous and moving.
这部电影既幽默又动人。
Amanda is home from college once again.
阿曼达又从学校回到家中。
All at once she lost her temper.
她突然发起脾气来。
Once we lived in London.
我们曾经住在伦敦。
Once is enough, never again.
一次就够了,别再干了。
Once you begin, you must continue.
一旦开始,你就得继续。
He stopped playing the piano at once.
他立刻停止了弹钢琴。
ad.
1. 一次, 一回
I see them once every two months.
我每两个月与他们见一次面。
2. 昔日, 曾经
He once knew her, but they are no longer friends.
他以前认识她, 但他们已经不是朋友了。
n.
一次, 一回
Once is enough.
一次就够了。
conj.
一旦, 一经……便
Once you get into a bad habit, you'll find it hard to get out of it.
一旦染上坏习惯, 想改掉就难了。
短语词组:
once and for all
1. 永远地; 一次了结地
John's back home once and for all.
约翰回到家, 再也不走了。
once in a while
1. 有时
He went to see them once in a while.
他有时去探望他们。
once more/again
1. 再一次
John's back home once more.
约翰又回家了。
once or twice
1. 几次
I've been there once or twice.
我到过那里几次。
once too often
1. 又一次
He exceeded the speed limit once too often.
他又超速行驶了。
all at once
1. 突然
He left all at once.
他突然离开了。
at once
1. 马上; 立刻
Do it at once!
马上就做!
for once
1. 仅此一次
For once he was telling the truth.
他就这一次说了真话。
once
词义辨析:
同义:
ad.从前地
previously
aforetime
heretofore
in the past
at one time
long ago
ad.一度, 一次
single time
one time
on one occasion
one time only
never again
ad.曾经, 一度
ever
at any time
at a single time
by chance
by a fluke
n.一次
single
occasion
single time
one time only
同义参见:
formerly
ago
反义参见:
again
once[wʌns]adv.1.■曾经,一度2.■从前3.■一次,一回4.■[用于否定句、条件句等]一旦5.■(亲属关系上)上一辈,隔一代6.■乘以一7.■[用于否定句]完全;一次地8.■[方言]立即,马上9.■[古语]将来总有一天adj.1.■从前的;一度的n.1.■一次,一回conj.1.■一…(就)…,一旦…(就…):Once you're finished, go home.干完活儿,你就回家吧。all at once同时,一起突然,忽然,出乎意料地at once立刻,马上at once … and既…又…every once in a way有时,偶尔every once in a while偶尔,间或for once in a way偶尔,间或,破例地for this (或 that) once (或 for once)就这(或那)一次;破例一次just for once= for this (或 that) oncemore than once不止一次,多次not once一次也不,从不once again再一次once and again有时,偶尔一再,再三,屡次once and away= for once in a way= once (and) for allonce (and) for all一劳永逸地,一次了结;永远地,彻底地once bit (或 bitten), twice shy.见 biteonce in a blue moon极为罕见once in a way= for once in a wayonce in (或 and) a while= every once in a whileonce more再一次once or twice一两次,几次once that一旦…(就…)once too often又一次(指超过限度而发生问题);多次幸免此次遭殃;多次成功此次受挫once upon a time见 timeto once[方言]立刻,马上
onceonce[wʌns]adv.1.■一次2.■曾经; 从前3.■一旦; 一度4.■[用于否定句]一次也(不); 完全(不)5.■乘以一; (亲属间行辈上)小一辈; (程度上)相差无几once a year一年一次a once powerful nation曾很强盛的国家a cousin once removed堂[表]兄弟[姊妹]的孩子If the facts once become known, he will be punished.事实一旦公开, 他就要受到惩罚。I couldn't once understand what he meant.我完全不懂他的意思。Once one is one.一一得一。
词性变化onceconj.1.■一旦, 每当Once you begin you must continue.你一旦开始, 便不可停下来。n.1.■一次, 一回Once is enough for me.对我来说一次就够了。adj.1.■从前的a once friend从前的一个朋友
继承用法once-forbiddenadj.1.■一次禁戒的once-throughn.1.■强制循环
adverb
- on one occasion or for one time only
一次
they deliver once a week.
他们一星期送一次货。
[as noun the once]he'd only met her the once.
他只见过她一次。
■[usu. with negative or if]at all; on even one occasion (used for emphasis)
丝毫,一点;一次也(用于强调)
he never once complained.
他一次也没抱怨过。
if she once got an idea in her head you'd never move it.
她只要一有想法,你就休想让她改变主意。 - at some time in the past; formerly
曾经;从前
Gran had once been a famous singer.
奶奶曾是个著名歌唱家。 - multiplied by one
乘以一
once two is two.
二乘以一得二。
- as soon as; when
一旦;一…就
once the grapes were pressed, the juice was put into barrels.
葡萄一被挤压,葡萄汁就被装进桶里。
all at once
- without warning; suddenly
突然
all at once the noise stopped.
突然,吵闹声停止了。 - all at the same time
同时
a lot of beans are ready all at once.
同时很多豆子准备好了。
- immediately
立刻;马上
I fell asleep at once.
我马上就睡着了。 - simultaneously
同时
computers that can do many things at once.
可以同时做很多事的电脑。
- on this occasion only, as an exception
就(这)一次;破例一回
I hope you'll forgive me this once.
我希望你就原谅我这一次。
- (proverb)a person cannot change their fundamental nature
(谚)一次…始终…
once a whinger, always a whinger.
曾经是把短刀,始终是把短刀。
- one more time
又一次,再一次
- now and for the last time; finally
一劳永逸;彻底地
- denoting someone or something that is eternal, enduring, or constant
永久的;持久的;持续的
side two contains four once and future hit singles.
第二面有四首持续走红的单曲。
- 见bite
- from time to time; occasionally
偶然;间或
- a few times
一两次
- at some time in the past (used as a conventional opening of a story)
从前(用于故事的开头)
■formerly
曾经
once upon a time she would have been jealous, but no longer.
她曾经嫉妒心很强,不过现在不了。
- Middle English ones, genitive of one. The spelling change in the 16th cent. was in order to retain the unvoiced sound of the final consonant
once
副词 once:
on one occasion
同义词:one time, in one case
as soon as
at a previous time;
同义词:formerly, at one time, erstwhile, erst
once
■If a man once fall, all will tread on him.
[谚]人倒众人踩。
■We only live once, but if we work it right, once is enough.
[谚]年华没虚度,一生也足矣。
■Questions and problems that were once taboo are now discussed openly.
一度视为犯忌的许多问题现在可以公开谈论了。
■The new job was a bit daunting at first but it was all right once I'd got my eye in.
一开始,那个新工作有点使人灰心丧气,但是一旦我获得了需要的能力,也就没什么了。
■Once he's made up his mind, he never budges.
一旦下了决心,他就毫不动摇。
■Once you have learn Spanish, you will find Italian easy.
一旦你学会了西班牙语,你就会觉得意大利语容易学了。
■Making an omelette is easy once you've got the knack (of it).
一旦你掌握了煎蛋饼的技巧,做起来就很容易了。
■Once installed, this heater operates automatically.
一旦安装好以后,这加热器就会自动地运行。
■Once you begin, you must continue.
一旦开始,你就得继续。
■Everything was to be fine and dandy once Peter started his new job.
一旦彼得有了新工作,一切都会好的。
■The job won't take long to do when we once get at it.
一旦我们着手干起来。这件工作不需要很多时间就可做好。
■He loves holding forth on any subject once he has an audience.
不管是什麽问题,只要有人听,他就爱大发议论。
■Don't try to do everything at once; take it a bit at a time.
不要什麽事情都一块儿干,要一次做一点儿。
■The Rubicon once crossed, they set to work with a will.
事已定局,他们就起劲地干了起来。
■Once the affair became public, he was persecuted by the press.
事情公开後,他便受到新闻界的纠缠。
■It was once a common belief that the sun moved round the earth.
人们曾经普遍地认为太阳环绕地球运转。
■Once upon a time there was a princess.
从前有一个公主。
■Once upon a time, there was an old man living in a small village.
从前,在一个小村庄里住着一位老人。
■Once upon a time, there lived a princess who was very beautiful.
从前,有一位非常美丽的公主。
■Once he became rich, he threw aside his old friends.
他一发财就不再理会他的老朋友了。
■He made out of the cabin at once on hearing the siren.
他一听到汽笛声就立即走出船舱。
■He was once the great white hope of the Labour Party.
他一度是工党中深孚众望的人。
■Once he achieved power he showed (himself in) his true colours.
他一掌了权就露出了本来面目。
■Once his decision is made, there will be no going back.
他一旦做出决定,就没法回头了。
■Once he has set his mind on a course of action he is not to be talked out of it.
他一旦决定了他的行动方针,就没有人能说服他改变决定。
■Once he took the vow his loyalty never wavered.
他一旦宣了誓,他就一直忠贞不渝。
■Once he began to tell his adventures, it's hard to switch him off.
他一旦开始讲自己的冒险经历,就很难阻止他。
■Once he made a promise, he would never fall back.
他一是答应了就决不会食言。
■They had an affair once, but that's ancient history now.
他们曾经有过一段暧昧关系,但现在那已成为遥远的过去了。
■They get together once a year at Christmas time.
他们每年圣诞节时聚会一次。
■Even after meeting only once, they felt a kinship.
他们虽然只见了一面,但已是一见如故了。
■He wept a few crocodile tears over his wife's death and then go married again at once.
他假惺惺地为妻子的死掉了几滴眼泪,然后,很快又结婚了。
■Once again he went back on his comrades.
他再次背弃了他的同志们。
■He sighed once or twice and then went out without a word while I was still speaking.
他叹了几口气,然后一言不发地走了出去,尽管当时我还在讲话。
■He likes to hit the bottle once in a while.
他喜欢偶尔喝得酩酊大醉。
■He exceeded the speed limit once too often and was fined£10.
他因超速次数太多而被罚款10英镑。
■He'd let me down more than once so the next time he asked me for a favour I gave him the brush-off.
他已不止一次难为我,因此下次他求我帮助时,我也让他碰碰钉子。
■Once he gets a drink in his hand he's here for ever and ever.
他手里一有了酒就永远也动不了地方了。
■Once he opens his mouth, he never stops.
他打开话匣子就没个完。
■He once served in diplomatic service.
他曾一度干外交工作。
■He was a great singer once but now he's had his day.
他曾是个红歌星,但现在风华已去。
■He once did me such an unscrupulous shot in the eye.
他曾经如此肆无忌惮地恶意中伤过我。
■Once a very rich man, he is now down and out.
他曾经很富,现在却贫困潦倒、一无所有。
■Once he swam the English Channel.
他有一次横渡了英吉利海峡。
■While reading he looked out of the window once in a while.
他正在读书,有时还朝窗外看看。
■His pay isn't much to take home once it has had tax and insurance payments docked off.
他的工资一经扣除了所得税和保险金,能拿回家的也就不多了。
■Once a week his room was done out.
他的房间每星期打扫一次。
■He stopped playing the piano at once.
他立刻停止了弹钢琴。
■At once he slew him and set Io free.
他立刻杀死了阿尔戈斯,放掉了伊俄。
■He fell in with my views at once.
他马上就同意了我的观点。
once and for all
1. 永远地; 一次了结地
John's back home once and for all.
约翰回到家, 再也不走了。
once in a while
1. 有时
He went to see them once in a while.
他有时去探望他们。
once more/again
1. 再一次
John's back home once more.
约翰又回家了。
once or twice
1. 几次
I've been there once or twice.
我到过那里几次。
once too often
1. 又一次
He exceeded the speed limit once too often.
他又超速行驶了。
all at once
1. 突然
He left all at once.
他突然离开了。
at once
1. 马上; 立刻
Do it at once!
马上就做!
for once
1. 仅此一次
For once he was telling the truth.
他就这一次说了真话。
习惯用语all at once1.■突然; 同时at once1.■立刻, 马上; 同时every once in a while1.■[美]偶而for this once (=for once, just for once)1.■就这一次; 破例一回if once (=when once)1.■一旦more than once1.■不止一次, 多次not once1.■一次也不once again1.■再一次once and again1.■一再, 再三once and away1.■一劳永逸; 限此一次; 断然, 爽快once for all1.■一劳永逸; 永久地; 彻底地once in a while1.■有时, 间或, 偶而once more1.■再一次once again1.■再一次once or twice1.■一两次; 有时, 偶尔once over lightly1.■从头到尾马马虎虎地once too often1.■又(多了)一次