無緣無故 Save Sign in to save words Simplified: 无缘无故 wúyuánwúgù ㄨˊ ㄩㄢˊ ㄨˊ ㄍㄨˋ no cause or reason completely uncalled for idiom Character by character 無(wú)not to have 緣(yuán)cause 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