杜口结舌

Explanation: Youyandukou sufferance. 　　Source: Jiao Han Gan "Yi Lin salty than the" Du mouth men can answer, mind fu Yu, to infestation of Health, told Mo that injustice. " 　　Examples: And take charge of an open mind to listen to, if not satisfied, until the scholar has always been the loyal and generous to the ~. ★ "Jinshu Fu Xuan Chuan"