a.

1. （有）两面的，双面的
2. （人）表里不一的，虚伪的
   She called her boyfriend a two-faced son of a bitch.

   她叫她的男友虚伪的混蛋。

3. 模棱两可的；立场反复的
   The mayor of Taipei was accused of being two-faced on his stance toward the Taipei Dome.

   台北市长被指控在大巨蛋的立场反复。

adj.