wear a mask

• 戴假面具

wear a mask的用法和样例：

例句

1. One who wears a mask, especially a participant in a masquerade or masque.
   戴面具的人戴面具的人，尤指假面舞会参加者
2. He wore a mask so that no one should recognize him.
   他戴了一个面罩，使别人认不出他来。