man of the world 世故的人;饱经世故的人

【例句】
Bob is a man of the world; why not go to him for advice?
鲍勃是个通晓世故的人，干吗不去听听他的意见呢？

As a merchant, he was a man of the world--he had seen it all.
他是一个见多识广的商人。