不知所云 bùzhīsuǒyún unintelligible Origin Definitions Defs Strokes Stroke Words Sentences Sents 1 sentence 他的发言逻辑混乱,听得人不知所云。 tā de fāyán luóji hùnluàn, tīng de rén bùzhīsuǒyún. His speech was so illogical that nobody could make sense of what he was saying. Source: Dong Chinese Dictionary