老成练达

Explanation: Sophistication: refers to the experience more accessible and human. Describe the steady experienced people, understand ways. 　　Source: Ming Luo Guanzhong's "Romance of Three Kingdoms" one hundred twenty back: "Du Yu man, aging and sophistication, and diligence, most like to read left-Tyumen" spring pass "." 　　Examples: I am now ~, namely, a foolproof, not the former brine (Lu) Mang had. (Qing Li Yu's "pity fragrant with car")