不明 bùmíng fail to understand Origin Definitions Defs Strokes Stroke Words Sentences Sents Showing: unclear All meanings 2 bùmíng 2 fail to understand 1unclear 1 1 sentence for 不明 (bùmíng — unclear) 目前起火原因不明。 mùqián qǐhuǒ yuányīn bùmíng. The cause of the fire is currently unknown. Source: Dong Chinese Dictionary