once
英 [wʌns]
美 [wʌns]
adv. 仅一次; 一次; 曾; 曾经; (用于否定句、疑问句和if后)曾,根本
conj. 一…就; 一旦; 当…时候
Oxford 3000 / Collins.5 / BNC.548 / COCA.300
习惯用语
adv.
- all at once
- 突然;骤然;忽然
suddenly - All at once she lost her temper.
她突然大发脾气。 - 一起;同时
all together; at the same time - I can't do everything all at once─you'll have to be patient.
我不能万事一把抓呀。你可急不得。 at once - 立即;马上
immediately; without delay - Come here at once!
马上到这里来! - 同时
at the same time - Don't all speak at once!
大家不要同时讲! - I can't do two things at once.
我不能同时做两件事。 (just) for oncejust this once - 仅此一次(与通常情况对比而言)
on this occasion (which is in contrast to what happens usually) - Just for once he arrived on time.
只有这一次他按时到了。 - Can't you be nice to each other just this once?
难道你们就不能彼此客气哪怕一次? going once, going twice, soldgoing once, going twice, soldonce againonce more - 再一次;再次
one more time; another time - Once again the train was late.
火车又一次晚点了。 - Let me hear it just once more.
让我再听一遍。 once a…, always a… - (表示一个人不能改变) 一次为…便永远是…
used to say that sb cannot change - Once an actor, always an actor.
一朝从艺,永为艺人。 once and for all - 最终地;最后地;彻底地;一次了结地
now and for the last time; finally or completely - We need to settle this once and for all.
我们需要把这事一次解决。 once bitten, twice shy - 一朝被蛇咬,十年怕井绳
after an unpleasant experience you are careful to avoid sth similar once in a blue moon - 极少地;难得地;破天荒地
very rarely (every) once in a while - 偶尔地;间或
occasionally once or twice - 一两次;几次
a few times - I don't know her well, I've only met her once or twice.
我跟她不很熟;我只见过她一两次。 once too often - 侥幸难再
used to say that sb has done sth wrong or stupid again, and this time they will suffer because of it - You've tried that trick once too often.
你故技重施,可这次再逃不脱了。 once upon a time - (用于故事的开头)从前,很久以前
used, especially at the beginning of stories, to mean ‘a long time in the past’ - Once upon a time there was a beautiful princess.
从前,有一位美丽的公主。
牛津词典
adv.
- 仅一次;一次
on one occasion only; one time- I've only been there once.
我只去过那里一次。 - He cleans his car once a week.
他每周洗一次汽车。 - She only sees her parents once every six months.
她每半年才探望一次父母。 - He only did it the once .
这种事儿他仅仅干过一次。
- I've only been there once.
- 曾;曾经
at some time in the past- I once met your mother.
我曾经见过你母亲。 - He once lived in Zambia.
他曾在赞比亚生活过。 - This book was famous once, but nobody reads it today.
这本书曾名噪一时,但现在却无人问津。
- I once met your mother.
- (用于否定句、疑问句和if后)曾,根本
used in negative sentences and questions, and after if to mean ‘ever’ or ‘at all’- He never once offered to help.
他从没有主动提出过帮忙。 - If she once decides to do something, you won't change her mind.
她一旦决定干什么,谁也改变不了她的主意。
- He never once offered to help.
conj.
- 一…就;一旦;当…时候
as soon as; when- We didn't know how we would cope once the money had gone.
一旦钱花光了,我们就不知道该怎么办了。 - The water is fine once you're in!
你一旦下了水,就会觉得水里挺舒适。
- We didn't know how we would cope once the money had gone.
柯林斯词典
- ADV 一次;一回
If something happensonce, it happens one time only.- I met Wilma once, briefly...
我曾经和威尔玛有过短短的一面之缘。 - Since that evening I haven't once slept through the night...
从那天晚上之后,我没有睡过一次安稳觉。 - Mary had only been to Manchester once before.
玛丽以前只去过一次曼彻斯特。 - Onceis also a pronoun.
- 'Have they been to visit you yet?' — 'Just the once, yeah.'...
“他们来看过你吗?”——“来过,就一次。” - Listen to us, if only this once.
听我们的吧,哪怕就这么一次。
- I met Wilma once, briefly...
- ADV (与后接day, week, month等的a连用)(每…)一次,(每…)一回
You useoncewith 'a' and words like 'day', 'week', and 'month' to indicate that something happens regularly, one time in each day, week, or month.- Lung cells die and are replaced about once a week...
肺细胞约每周新老更替一次。 - We arranged a special social event once a year to which we invited our major customers.
我们每年举办一次专门的社交活动,邀请重要客户出席。
- Lung cells die and are replaced about once a week...
- ADV (与后接day, week, year等的every连用)(每隔…)一次,(每隔…)一回
You useoncewith 'every' and words like 'day', 'week', and 'year' to indicate that something happens a specified number of times and on a regular basis.- The patient was seen for follow-up visits once every three months...
这位病人每三个月接受一次随访就诊。 - My daughter comes to visit me once every fortnight.
我女儿每两周来看我一次。
- The patient was seen for follow-up visits once every three months...
- ADV 曾经,一度(状况如此)
If something wasoncetrue, it was true at some time in the past, but is no longer true.- The culture minister once ran a theatre...
这位文化部长曾经经营过一家剧院。 - I lived there once myself, before I got married...
我结婚前曾独自在那儿住过。 - The house where she lives was once the village post office...
她现在住的房子曾经是村里的邮局。 - My memory isn't as good as it once was.
我的记性赶不上从前了。 - ...an undulating park, once lovely but now ruined by new buildings.
曾经景色秀美、而今被新建筑糟蹋得面目全非的高低错落的庭园
- The culture minister once ran a theatre...
- ADV 曾经(做过某事)
If someoneoncedid something, they did it at some time in the past.- I once went camping at Lake Darling with a friend...
我曾和一位朋友在达令湖畔露营。 - We once walked across London at two in the morning...
我们曾在凌晨两点步行穿过伦敦。 - Diana had taken that path once.
黛安娜曾走过那条路。
- I once went camping at Lake Darling with a friend...
- CONJ-SUBORD 一旦…(就…); 一…(就…)
If something happensonceanother thing has happened, it happens immediately afterwards.- The decision had taken about 10 seconds once he'd read a market research study...
在他看过一份市场调研报告后大概10秒钟就作出了决定。 - Once customers come to rely on these systems they almost never take their business elsewhere...
顾客一旦依赖上这些系统,几乎就不会光顾其他商家。 - Once inside her apartment she felt an urge to brush her teeth.
一回到自己的公寓,她就有一种想要刷牙的冲动。
- The decision had taken about 10 seconds once he'd read a market research study...
- PHRASE 突然;忽然
If something happensall at once, it happens suddenly, often when you are not expecting it to happen.- I feel terribly sleepy all at once...
我突然觉得特别困。 - All at once there was someone knocking on the door.
忽然有人敲门。
- I feel terribly sleepy all at once...
- PHRASE 立即;马上
If you do somethingat once, you do it immediately.- I have to go, I really must, at once...
我得走了,我真的必须马上就走。 - Remove from the heat, add the parsley, toss and serve at once...
端离炉子,加上欧芹,颠起翻面后就立刻上桌。 - The audience at once greeted him warmly.
观众立即对他作出了热情的反应。
- I have to go, I really must, at once...
- PHRASE 同时;一起
If a number of different things happenat onceorall at once, they all happen at the same time.- You can't be doing two things at once...
不能一心二用。 - No bank could ever pay off its creditors if they all demanded their money at once...
如果所有的储户同时要求提取存款,没有哪家银行能办得到。 - She seems at once feminine and able to cope in a man's world.
她看起来既有女人味,又能在男人的世界里游刃有余。
- You can't be doing two things at once...
- PHRASE 就此一次;破例一次
For onceis used to emphasize that something happens on this particular occasion, especially if it has never happened before, and may never happen again.- For once, dad is not complaining...
爸爸这次破天荒地没有抱怨。 - His smile, for once, was genuine.
只有这一次,他真诚地笑了。
- For once, dad is not complaining...
- PHRASE 又一次;再次
If something happensonce againoronce more, it happens again.- Amy picked up the hairbrush and smoothed her hair once more...
埃米拿起发梳,再次将头发梳理整齐。 - Once again an official inquiry has spoken of weak management and ill-trained workers.
官方调查又一次提到了管理不力与工人缺乏训练的问题。
- Amy picked up the hairbrush and smoothed her hair once more...
- PHRASE 彻底地;一劳永逸地
If something happensonce and for all, it happens completely or finally.- We have to resolve this matter once and for all...
我们必须彻底解决这一问题。 - If we act fast, we can once and for all prevent wild animals in Britain from suffering terrible cruelty.
如果我们迅速采取行动,就可以一劳永逸地使英国的野生动物免受残忍的虐待。
- We have to resolve this matter once and for all...
- PHRASE 偶尔;间或
If something happensonce in a while, it happens sometimes, but not very often.- Earrings need to be taken out and cleaned once in a while.
耳环要偶尔取出来清洗一下。 - Once in a while she phoned him.
她间或会给他打个电话。
- Earrings need to be taken out and cleaned once in a while.
- PHRASE 一两次;几次
If you have done somethingonce or twice, you have done it a few times, but not very often.- I popped my head round the door once or twice...
我有几次头撞到了门上。 - Once or twice she had caught a flash of interest in William's eyes...
有那么一两次,她发现威廉的眼睛里流露出一丝感兴趣的神色。 - She gazed up at him, blinking once or twice, apparently surprised at his cleverness.
她抬头注视着他,偶尔才眨一下眼睛,显然对他的聪明才智颇为惊讶。
- I popped my head round the door once or twice...
- PHRASE (常用于儿童故事的开头)从前,很久以前
Once upon a timeis used to indicate that something happened or existed a long time ago or in an imaginary world. It is often used at the beginning of children's stories.- 'Once upon a time,' he began, 'there was a man who had everything.'...
“很久很久以前,”他开始说道,“有这么一个人,他应有尽有。” - Once upon a time, asking a woman if she has a job was quite a straightforward question.
从前,问一位女性是否有工作是个相当简单直接的问题。
- 'Once upon a time,' he began, 'there was a man who had everything.'...
- once in a blue moon→ see:moon
英英释义
adv
- on one occasion
- once I ran into her
- at a previous time
- at one time he loved her
- her erstwhile writing
- she was a dancer once
- as soon as
- once we are home, we can rest
双语例句
- For once, dad is not complaining
爸爸这次破天荒地没有抱怨。 - 'Once upon a time,' he began, 'there was a man who had everything.'
“很久很久以前,”他开始说道,“有这么一个人,他应有尽有。” - My daughter comes to visit me once every fortnight.
我女儿每两周来看我一次。 - I feel terribly sleepy all at once
我突然觉得特别困。 - You can't be doing two things at once
不能一心二用。 - I have to go, I really must, at once
我得走了,我真的必须马上就走。 - We once walked across London at two in the morning
我们曾在凌晨两点步行穿过伦敦。 - Since that evening I haven't once slept through the night
从那天晚上之后,我没有睡过一次安稳觉。 - Remove from the heat, add the parsley, toss and serve at once
端离炉子,加上欧芹,颠起翻面后就立刻上桌。 - The patient was seen for follow-up visits once every three months
这位病人每三个月接受一次随访就诊。