有所不知 yǒusuǒbùzhī to be unaware of something Origin Definitions Defs Strokes Stroke Words Sentences Sents 有所 yǒusuǒ adverb somewhat to some extent; somewhat. This word is typically followed by a two-syllable verb to indicate a certain degree of change or progress.不知 bùzhī verb not to know to not know; to be unaware of or have no idea about