出处：按学科分类—语言、文字 中国对外翻译出版公司《汉英成语词典》第127页（248字）
形容自作聪明，不知求教，只想教人，例凡人一旦稍有成就，就容易骄矜自满，好为人师，自以为了不起。
It is a common failing for those who have had some success to become proud and arrogant．They imagine they are infallible and love to lecture to pcople