The American of great wealth who had experienced the world said, "Let him go! As long as boys have the chance to show their talents, they are sure to become better."
2
玛丽是个饱经世故的女人,她的交际广着呢!
Mary is a woman of the world. She's been around!
3
我有一位研究哲学的老朋友,由于饱经世故,时时谨慎、留神、避免和这种人亲近。
An old philosophical friend of mine was grown, from experience, very cautious in this particular, and carefully avoided any intimacy with such people.