Read Edit View history 平白无故 píngbáiwúgù inexplicably Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 平白无故/平白無故 · píngbáiwúgù · inexplicably 2026/03/04 平白无故 / 平白無故 píngbáiwúgù inexplicably For no reason whatever; inexplicably 他平白无故地发起火来。 idiom created sense Mar 4, 2026, 02:25 AM