classy

She wore a very classy black dress that was perfect for the formal opera house.

(Chinese) 她穿了一件非常优雅的黑色连衣裙，非常适合正式的歌剧院场合。

The hotel lobby had a classy atmosphere with its marble floors and classical music.

(Chinese) 酒店大堂铺着大理石地板，播放着古典音乐，非常有格调。