Read Edit View history 无缘无故 wúyuánwúgù groundless Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 无缘无故/無緣無故 · wúyuánwúgù · groundless 2026/03/04 无缘无故 / 無緣無故 wúyuánwúgù groundless (idiom) without cause or reason; completely uncalled for 他无缘无故地对我发脾气。 idiom created sense Mar 4, 2026, 02:25 AM