hard-boiled have worldly wisdom have been around have seen much of the world experienced in the ways of the world
The family are rich, and extremely sophisticated and cosmopolitan.
这家人很富有,老于世故,而且见多识广。
—— 柯林斯例句He was worldly and sophisticated.
他阅历丰富,老于世故。
—— 柯林斯例句He pretends he´s been around but he´s really very immature.
他装作老于世故,而实际上却很不成熟。
—— 辞典例句They were learned, sophisticated, and´scientific ", to be sure.
的确,他们知识渊博, 老于世故, 而且是 “ 科学的 ”。
—— 辞典例句He is a knowing fellow, and he will invent something to comfort her.
他是个老于世故的人, 会想出办法来安慰她的。
—— 辞典例句