躬体力行

Explanation: Bow body experience; exercise hard to implement. Experience, and strive to implement. 　　Source: Guo "intellectuals immediate task" ......, should _set_ an example, physical line bow, double Fenmian, and then be able to complete their task. " 　　Examples: ......, Should _set_ an example, ~, double Fenmian, and then be able to complete their task. (Guo "intellectuals immediate task")