按部就班

Explanation: Department of classes: categories, order; to: attributed. According to certain steps in order. Also refers to the act by the old rules, the lack of innovation. 　　Usage: Joint type; as predicate, adverbial, attributive; describe the act in accordance with old rules 　　Source: Western Jin Dynasty, Lu Ji's "Wen Fu": "View of ancient and modern in a moment, ask the whole world at the moment. And then choose righteousness by the Ministry of speech on the test ban." 　　Examples: But Huang Gongjun grandfather, he began to read the book, as people generally like reading, he ~ the type of scholarship to eight-legged essay, "goods of the emperor and home." (Zhenduo "Huang Gongjun the last") 　　Riddle: Division Secretary office