布鼓雷门

Explanation: Cloth drum: the drum with pieces of cloth; mine gate: the gate of ancient Hueiji name. Ray hit the cloth in front of the drum. Analogy to show off skills in front of experts 　　Usage: Joint type; as predicate, complement; metaphor to show off in front of the master skills 　　Source: Han Ban Gu's "Han Zun Biography": "Ray had not holding cloth drum door." Yan Shigu Note: The "Thunder Gate, Hueiji gates also have drums, the more hit the drum, Shengwen Luoyang, so respect cited also. cloth drum, that the cloth as the drum, it is silent. " Thesaurus:  consider oneself correct, teach one's grandma to suck eggs, posture, self just to make oneself feel satisfired, Self-made acumen, consider oneself correct, egoism Antonym Group:  Highbrow Non-, Self-knowledge