keep up appearances

• vi. 装门面(虚饰外表)

例句

用作不及物动词 (vi.)

1. Jane can put up a good front, but most of us know the real Jane.
   简很会装门面，但我们大多数人都知道真正的简是个什么人。
2. It was an ordinary vase, but to save appearances, she said it was a family heirloom.
   它本来是一个普通花瓶，为了装门面，她却说它是一件传家宝。