Explanation: Hidden in the mountains to work, passed to like-minded people. Source: Qian Han, "reported Ren Shaoqing book" honest servant to the book, and Zang mountains, mass of the people, most pass-eup, the disgrace of the former servant is compensation, though million was kill, Kazuya regret anything too. " Examples: A person to do a book ,"~", the feudal era things long past. (Lu Xun, "On the order of the liberation of quasi-love affair")