勃然变色 bóránbiànsè change countenance Definitions Defs Origin Strokes Stroke Words Sentences Sents 1 sentence 听到这个消息,他不禁勃然变色。 tīngdào zhège xiāoxi, tā bùjīn bórán biànsè. He couldn't help but turn pale with rage upon hearing the news. Source: Dong Chinese Dictionary