矜才使气

Explanation: Boast: boast; the air: emotional. Rely on their talents, so emotional, not modesty. 　　Usage: -Linked; as attribute; containing derogatory 　　Source: Qing Zhao Durian "Xiao Ting Huang Yalin Miscellany": "Sir profound erudition, boast only the gas, medical Bu art books, view all week." 　　Examples: Mr. profound erudition, ~, medical Bu art books, all week view. (Qing Xia's "Ye Sou Pu Yan" XV back) Thesaurus:  snobbery