三不知 Traditional form: 三不知 Pinyin (reading): sānbùzhī Definitions: to know nothing about the beginning, the middle or the end to know nothing at all Characters: 三 - three 不 - no, not, un-; negative prefix 知 - to know, to perceive, to comprehend Traditional characters: 三 - three 不 - no, not, un-; negative prefix 知 - to know, to perceive, to comprehend