时不再来 shíbùzàilái opportunity knocks but once Origin Definitions Defs Strokes Stroke Words Sentences Sents 时 時 shí nounadverb opportunity (bound form) opportunity; chance; a favorable timing不再 bùzài to not occur again (literary) to not repeat or happen a second time来 來 lái verb to come To come; to arrive; to move toward the speaker; to crop up or happen