三班六房

Explanation: Three: refers to the soap, strong, fast class, are the servants; six rooms: refers to the officials, families, courtesy, military, criminal, studio, office clerks are the books. Ming and Qing State and County Officials Battle of Yamen in general. 　　Usage: Joint type; as subject, object, attribute; offices by means Yamen 　　Source: Qing Wu Jingzi "Scholars" second time: "think this New Year's Day, classic bureaucratic, the three shifts of six rooms, the one who do not send post to?"