自命清高

to think of oneself as high and pure (idiom); smug and self-righteous / holier-than-thou

self / oneself / from / since / naturally / surely

to consider oneself to be (sth positive)

life / fate / order or command / to assign a name, title etc

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)

noble and virtuous / aloof from politics and material pursuits

surname Gao

high / tall / above average / loud / your (honorific)