| 单词 | once |
| 释义 | once adv., conj., & n. --adv 1. on one occasion or for one time only (did not once say please; have read it once). 2. at some point or period in the past (could once play chess). 3. ever or at all (if you once forget it). 4. multiplied by one; by one degree. --conj as soon as (once they have gone we can relax). --n one time or occasion (just the once). Phrases and idioms all at once 1 without warning; suddenly. 2. all together. at once 1 immediately. 2. simultaneously. for once on this (or that) occasion, even if at no other. once again (or more) another time. once and for all (or once for all) (done) in a final or conclusive manner, esp. so as to end hesitation or uncertainty. once (or every once) in a while from time to time; occasionally. once or twice a few times. once-over colloq. a rapid preliminary inspection or piece of work. once upon a time at some vague time in the past. Etymology: ME anes, ones, genit. of ONE |
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