冰清玉洁

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

ice / CL:塊|块[kuai4] / to chill sth / (of an object or substance) to feel cold / (of a person) cold / unfriendly / (slang) methamphetamine

variant of 冰[bing1]

Qing (Wade-Giles: Ch'ing) dynasty of imperial China (1644-1911) / surname Qing

clear / distinct / quiet / just and honest / pure / to settle or clear up / to clean up or purge

(of water etc) clear; clean / quiet; still / pure; uncorrupted / clear; distinct / to clear; to settle (accounts)

jade

clean