班门弄斧

Explanation: Luban brandish in front of an ax. Analogy to show off skills in front of experts, himself. 　　Usage: Partial official; as predicate, adverbial, object; negative, suggesting that capacity than others 　　Source: Xiu Song "and the San Yu Mei Book": "Yesterday in the true _set_ting, a poem seventy-eight, this record go, expert, funny funny." 　　Examples: Smell Kingston sister profound erudition, sister dare to ~, with him Luantan. (Qing Li Ruzhen "Flowers in the Mirror" fifty-back) 　　Riddle: Carpenter classroom; significant skills in front of the old master Thesaurus:  consider oneself correct, to show off one's learning in the presence of a learned man, posture, self just to make oneself feel satisfired, Self-made acumen, consider oneself correct, egoism Antonym Group:  Highbrow Non-, Self-knowledge