纪群之交

Explanation: Ji, group: names, Qun Chen Ji is the father. Metaphor lifetimes of friendship. 　　Source: "Three Kingdoms Wei Shu Qun Biography" Lu Jung, a brain haughty, in discipline, group between the first and the discipline of Friends, after group sex, more discipline and worship, is obvious from the name. " 　　Examples: Rest assured, I was - with his family, relationships, better than ordinary.