adjective, verb · a style of fashion or design based on nostalgia for the past

这种复古风格的连衣裙在今年非常流行。

verb · a literary movement during the Tang and Song dynasties associated with classical prose (古文 gǔ​wén)

韩愈是唐代复古运动的领袖之一。

verb · to return to old ways or traditions, often as a political or social aspiration

一些学者主张复古，试图恢复周代的礼乐制度。