平白無故 Save Sign in to save words Simplified: 平白无故 píngbáiwúgù ㄆㄧㄥˊ ㄅㄞˊ ㄨˊ ㄍㄨˋ for no reason whatever inexplicably idiom Character by character 平(píng)surname Ping 白(bái)surname Bai 無(wú)not to have 故(gù)happening A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0