三不五时 Traditional form: 三不五時 Pinyin (reading): sānbùwǔshí Definitions: (Tw) from time to time frequently Characters: 三 - three 不 - no, not, un-; negative prefix 五 - five; surname 时 - time, season; period, era, age Traditional characters: 三 - three 不 - no, not, un-; negative prefix 五 - five; surname 時 - time, season; period, era, age