once( 二 )


a. = for once in a way
b. = once (and) for all14. once (and) for all一劳永逸地,一次了结;永远地,彻底地15. once bit (或 bitten), twice shy.见 bite16. once in a blue moon极为罕见17. once in a way= for once in a way18. once in (或 and) a while= every once in a while19. once more再一次20. once or twice一两次,几次21. once that一旦…(就…)22. 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23. once upon a time见 time24. to once[方言]立刻,马上

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