一朝之患

Explanation: Sudden scourge. 　　Source: "Book of Rites Tangong on" so noble a life of worry, and once without the risk, so his death, not music. "Han Zhao Ye," Annals of Wu Chuan-lu in "Chu's sufferings, the ministers were complain, salt to kill Wu She made charges loudly slander, invasion of white-state plow and the environment can go on Wu Kou, Chu ministers have a toward the suffering. "