once
美式发音: [wʌns] 英式发音: [wʌns] 同义词反义词adv.now
adv.some time ago,formerly,previously,a long time ago,as soon as
conj.the moment,the instant,immediately
once显示所有例句adv.1.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.她每半年只探望一次父母。
He only did it the once .这种事儿他仅仅干过一次。
2.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。
3.（用于否定句、疑问句和 if 后）曾，根本used in negative sentences and questions, and afterif 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。
IDMAll at once she lost her temper.她突然大发脾气。
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。
all at once突然；骤然；忽然suddenlyAll at once she lost her temper.她突然大发脾气。
一起；同时all together; at the same timeI 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。
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。
at once立即；马上immediately; without delay同时at the same timeDon'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 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？
(just) for oncejust this once(informal)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, sold（拍卖师用语）一次，二次，成交said by an auctioneer to show that an item has been soldOnce 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 againonce more再一次；再次one more time; another timeOnce 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 an actor, always an actor.一朝从艺，永为艺人。
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 changeOnce an actor, always an actor.一朝从艺，永为艺人。
We need to settle this once and for all.我们需要把这事一次解决。
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 completelyWe 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 similaronce in a blue moon(informal)极少地；难得地；破天荒地very rarely(every) once in a while偶尔地；间或occasionallyI 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 or twice一两次；几次a few timesI 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。
You've tried that trick once too often.你故伎重施，可这次再逃不脱了。
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 itYou've tried that trick once too often.你故伎重施，可这次再逃不脱了。
Once upon a time there was a beautiful princess.从前，有一位美丽的公主。
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。
conj.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。
adv.1.一次,一趟,一回,一遍;一倍2.从前,曾经3.一次也(不),无论何时也(不)4.一旦...1.一次,一趟,一回,一遍;一倍2.从前,曾经3.一次也(不),无论何时也(不)4.一旦...
adv.1.on one occasion only2网站屏蔽ed for saying that a particular situation existed at a time in the past, but it does not exist any longer; used for saying that something happened at some time in the past3网站屏蔽ed for saying that as soon as one thing happens, something else happens
1.一次 ever 曾、曾经 once 一次 twice 两次 ...
2.曾经 出租车司机 / Taxi Driver 1976 曾经 / Once 2007 英国病人 / The English Patient 1996 ...
3.一旦 allow vt. 允许， 准许 once adv. 一旦； 一…就 unless conj . 除非， 如果不 ...
4.一度 Olympics n. 奥运会 once adv. 一次；曾经；从前；昔时 only adv. 只；仅仅 ...
6.一奏倾情 政治|politics 有一次|once 游记|traveling ...
8.曾经拥有9、《曾经拥有》（"ONCE"）：这已有朋友推荐过，但无论音乐还是影片都值得一荐再荐。请放松聆听吧/ target=_blank class=infotextkey>吧，甭管其中的一曲"FA…
造句带翻译释义:,一次,曾经,仅一次,根本,一旦,一…就,当…时候,从前的,一度,一奏倾情,有一次1."You once let me play in your garden, " said the child. "Today you'll come with me into my garden in heaven. "“你曾经让我在你的花园里游玩，”男骇说，“今天我就要把你带到我天国里的花园里去。”
2.France, long a symbol of colonialist oppression in North Africa, looked once again like the hated imperial power it had formerly been.长久以来，法国在北非被视为殖民压迫的象征，此番再次被视为过去那个令人憎恨的皇权。
3.but it seems to be already well-established that dreams have once and for all left the world of unreality for the world of the laboratory.但是有一点已经得到了很好地证明——梦已经彻底离开了非现实世界，进入了实验室。
4."Once upon a time, there was an ambitious young man who didn't read The Economist. The End, " read one particularly audacious ad from 2004.2004年一则特别大胆创新的广告这么说到：“从前，有一个很有抱负的年轻人，他不看《经济学人》，完了。”
5.Once the six entrances exist, the child becomes aware of contact. Therefore, it is said, "The six entrances are the condition for contact. "由这种六入，这个小孩子就有了一种触觉，所以说「六入缘触」。
6.Confucius once said: do not put me on your tolerance as you shameless capital!子曾经曰过：不要把我对你的容忍当成你不要脸的资本！
7.Once there was a merchant whose business was to exchange money. He opened a shop in the currency market and began to do his business.从前有个专做银钱兑换生意的商人，在钱币市场上开了个铺子，做起买卖来。
8."Once this operation gets over, then the . . . assessment will take place to see if there is any similarity, " he said.“一旦所有的武装行动结束后，我们才可以判断这些袭击是否存在相同性”，他继续说道。
9.Once again, the protesters seized Tahrir Square from the security services -- but this time, they would not be driven out of the area.示威群众这次从安全部门手中夺取了解放广场控制权，——但这次没人能把他们从这地方赶走。
10.Once thought, and better; Reflect overburden, overburden found, the best is at my side, just like you.曾经以为，还有更好的；反反覆覆，才发觉，最好的就在我身边，就象你一样。