| 释义 |
once /wʌns/► SEE ALLall at onceat once(just) for oncejust this onceonce again/once moreonce a…, always a…once and for allonce bitten, twice shyonce in a blue moon(every) once in a whileonce or twiceonce too oftenonce upon a timeyou’re only young once
●ˌall at ˈoncesuddenly 突然；骤然；忽然◆All at once it began to rain.
突然间下起雨来。●at ˈonce1. immediately 立即；马上◆I’m afraid there’s a problem. I must ask you to leave the building at once.
恐怕出事了，我得请你马上离开大楼。2. at the same time 同时◆Don’t all speak at once!
大家不要同时讲！◆I’m not superwoman, you know. I can’t do a hundred things at once.
我可不是女超人，没法同时做那么多件事情。●(just) for ˈonce●just this ˈonce (spoken) on this occasion (which is in contrast to what happens usually) 仅此一次（与通常情况对比而言）◆For once he was early.
只有这一次他早到了。◆Try and get here on time for once, will you?
就这一次，你能不能按时到呢？◆Can’t you two be nice to each other just this once?
难道你们俩就这一次也不能彼此友善一点？●once aˈgain/once ˈmoreone more time; another time 又一次；再次◆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…in certain respects people do not change, although circumstances change （表示一个人在某些方面改变不了）一次为…，便永远是…◆He can’t resist explaining things in detail. Once a teacher, always a teacher.
他总是忍不住详细解释每一件事。真是一朝为师，永远为师。●ˌonce and for ˈallfinally and definitely 最终；最后；彻底地；一劳永逸地◆I’ve decided once and for all that this city is not the place for me.
我最终认识到这个城市不适合我。●ˌonce ˈbitten, ˌtwice ˈshy (saying) if something has gone wrong once, you are very careful not to let sth similar happen again 一朝被蛇咬，十年怕井绳；一次被咬，下次胆小◆‘Will she marry again, do you think?’ ‘I doubt it — once bitten, twice shy.’
“你觉得她还会再结婚吗？”“恐怕不会了吧，一朝被蛇咬，十年怕井绳。”●ˌonce in a blue ˈmoon (informal) very rarely 千载难逢；极难得；破天荒地◆Sue’s daughter only visits her once in a blue moon.
苏的女儿很少来看她。●(every) ˌonce in a ˈwhileoccasionally 偶尔；间或◆We go to the theatre once in a while, but there’s not much worth seeing.
我们偶尔去剧院看戏，不过没什么太值得看的剧目。 OPP all the time ●ˌonce or ˈtwicea few times 一两次；几次◆I don’t know her well, I’ve only met her once or twice.
我跟她不太熟，我只见过她一两次。●ˌonce too ˈoftenused to say that sb has done sth wrong or stupid again, and this time they will suffer because of it 好运不再；多次幸免，这次遭殃◆You’ve tried that trick once too often.
你故伎重演，可这次再逃不脱了。●ˌonce upon a ˈtimeused, especially at the beginning of children’s stories, to mean ‘a long time in the past’ （尤用于儿童故事的开头）从前，很久以前◆Once upon a time in a faraway land there lived a princess in a big castle.
从前，在一个遥远的地方，有一位公主住在一座大城堡里。●you’re only young ˈonce (saying) young people should enjoy themselves as much as possible, because they will have to work and worry later in their lives 青春一去不再来；尽情享受青春◆‘Don’t you think Tony should get a job over the summer?’ ‘Well, you’re only young once — there’s plenty of time for that later.’“你不觉得托尼暑假应该工作吗？”“还是趁年轻尽情享受吧，以后有的是时间工作。” |