扮白脸 bànbáiliǎn to play the good cop Definitions Defs Origin Strokes Stroke Words Sentences Sents 扮 bàn verb to play a part To disguise oneself as a certain character; to play the role of a person in a play or movie白脸 白臉 báiliǎn the good cop The gentle or kind person in a duo, specifically when contrasted with the "black face" 黑脸 hēiliǎn