| 释义 | 
		once[wʌns]- adv.
- 曾经,一度
 - 从前
 - 一次,一回
 - [用于否定句、条件句等]一旦
 - (亲属关系上)上一辈,隔一代
 - 乘以一
 - [用于否定句]完全;一次地
 - [方言]立即,马上
 - [古语]将来总有一天
 
  - adj.
 - n.
 - conj.
 - 短语:
- all at once
 - 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) once
 - more than once 不止一次,多次
 - not once 一次也不,从不
 - once again 再一次
 - once and again
 - once and away
- = for once in a way
 - = once (and) for all
 
  - once (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 bite
 - once in a blue moon 极为罕见
 - once in a way = for once in a way
 - once in (或 and) a while = every once in a while
 - once 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 time
 - to once [方言]立刻,马上
 
  
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