这件小黑裙的设计经典永恒，永远不会过时。

This little black dress is ___timelessly chic and never goes out of style.

这位艺术家的作品有着永恒的美丽，似乎超越了所有时代的界限。

The artist's work possesses a ___timelessly beautiful quality that seems to transcend all eras.