奢靡之风的英文：
extravagance

She is vain and extravagant.
她既爱虚荣又奢侈。

She is extravagant in dress.
她衣着华丽。

extravagant or affected feeling or emotion.
夸张的或假装的感情。

The suit is fairly extravagant.
这套装过于昂贵。

Her only extravagance was horses.
她唯一的奢侈品就是马。