平白无故 Traditional 平白無故 píng bái wú gù 🔊 for no reason whatever; inexplicably + Keep this word Meanings píng bái wú gù 平白無故 (idiom) for no reason whatever; inexplicably Its characters 平píngflat; level; smoothHSK 5白báiwhiteHSK 5无wúnot to haveHSK 4故gùhappeningHSK 7–9