de rigueur /də rɪˈgɜː/

• 1.  

  ADJ（形容词） If you say that a possession or habit is de rigueur, you mean that it is fashionable and therefore necessary for anyone who wants to avoid being considered unfashionable. 时尚的 [v-link ADJ]

  例：

  Having this season's hot Prada pumps or Gucci slingbacks is de rigueur.

  拥有本季抢手的普拉达鱼嘴高跟鞋或古琦露跟女鞋是时尚的。