宦海风波

Explanation: Officialdom: old refers to the official. Old refers to the ups and downs of officialdom, such as ocean waves and strong winds, unpredictable; also appear in official circles that the risks and _set_backs. 　　Source: Song Lu, "Closed probation" officialdom real storm stricken, into the human world to send postal kiosk. " 　　Examples: This by a ~, increasingly rely under all difficulties. (Qing, Culture and Sport "Heroic Biography" XIII back)