| 释义 |
once/wʌns//wʌns/ ★★★★★adv. adv- ① 一次,一回;一倍
- once a week一周一次
- I've been there once.我到过那里一次。
- I met him only once.我只遇见过他一次。
- ②[用于否定句]一次也(不…)
- I haven't met him once.我一次也没遇见过他。
- ③[用于条件或表时间的副词子句]一旦;只要;曾经
- when [if] once he agrees一旦他同意
- Once bit [bitten], twice shy.【谚】一回上当二回乖;上一次当,学一次乖。
- ④[通常与过去式的动词同用]昔日,从前(★发音时不强调)
- Once there lived a fisherman.从前那住着一个渔夫。
- She was once very poor.她从前很穷。
- There was once a dwarf.从前有一个侏儒。
- a once-famous singer一位从前很有名的歌手
conj- ① 一旦,一经;一…就…
- Once the sun had set, he went home.太阳一下山,他就回家。
- Once inside her apartment, she locked the door.她一进到她的公寓就锁门。
短语- all at once
- ① 突然,忽然(=suddenly)
- ② 同时,一同
- They spoke all at once.他们都同时说话。
- at once
- I can't do two things at once.我不能同时做两件事。
- at once ... and ...
- Their teacher is at once strict and kind.他们的老师既严格又仁慈。
- for once
- I wish for once in my life to visit Paris.我盼望一生中至少有一次去访问巴黎。
- for this [that] once
- I'll forgive you for this once.我只这一次原谅你。
- more than once
- I have warned him more than once.我已再三警告他。
- once again [more]
- Please sing it once again [more].请再唱一遍。
- once and again
- He has missed the 6:30 train once and again.他好几次都没有赶上六点半的火车。
- once for all
- He decided to give up gambling once for all.他决定断然戒赌。
- once in a while [way]
- I go to the movies once in a while.我偶尔去看电影。
- once or twice
- I have read the novel once or twice.这本小说我读了几遍了。
- once upon a time
- Once upon a time there was a giant.从前有一个巨人。
同义词- aforetime
- already
- before
- beforetime
- earlier
- erstwhile
- former
- late
- old
- onetime
- past
- previous
- previously
- quondam
- sometime
- whilom
- at one time
- erst
- in one case
- one time
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