自命清高

    zìmìngqīnggāo

    1. Idiomto think of oneself as high and pure (idiom); smug and self-righteous; holier-than-thou

    他总是自命清高,看不起其他同事。Tā zǒngshì zìmìngqīnggāo, kànbuqǐ qítā tóngshì.He is always holier-than-thou and looks down on his colleagues.