ˋㄐㄧㄝˊㄅㄧㄥㄑㄧㄥyùjié‑bīngqīng

玉洁冰清
  1. 清雅高潔形容人品高尚潔淨冰清玉潔」。 玉潔冰清煙塵」。

clear as ice and clean as jade (idiom)​; spotless, irreproachable, incorruptible