饱练世故

Explanation: Refers to the state of the world have a profound human experience has a wealth of life skills or experience. With the "full working knowledge of sophistication." 　　Source: Song Ye Shi, "Guo Fu Jun epitaph": "hear the words of Jiang, are not back to full training sophisticated torsion, is sufficient to carry on, following their father and brother." Thesaurus:  Full working knowledge of sophisticated