having a good understanding of the way people behave and/or a good knowledge of culture and fashion

She was slim, svelte, and sophisticated. 她身材苗条，体态娇美，处事练达。

I don't think I have any books that would suit your sophisticated tastes. 我认为我没有什么书能满足你那高雅的品位。

He was older than me and from London and I thought him very sophisticated. 他比我大，而且来自伦敦，我觉得他为人很老练。

intelligent or made in a complicated way and therefore able to do complicated tasks

I think a more sophisticated approach is needed to solve this problem. 我认为要解决这个问题需要更为高明的方法。

These are among the most sophisticated weapons in the world. 这些属于世界上最尖端的武器。