Smiling does not mean you have to put on a false face or pretend you are happy all of the time.

微笑并不意味着你必须戴上一副假面具，或是假装一直都挺快乐。

youdao

A hypocrite is an actor, one who puts on a false face.

一个伪善者就像一个演员，戴着假的面具而已。

youdao

While we were waiting for the coffee, the head waiter, with an ingratiating smile on his false face, came up to us bearing a large basket full of huge apples.

正在我们等咖啡上来的时候，领班面带着奉承的微笑，走到我们跟前，带来了一大篮子的特大苹果。

youdao

But he is also funded by the False Face Society, who want some of the weapons as well.

FORBES: How Warner Bros. Could Reboot Batman - Part 2

You know, despite all the statements of support, I think a lot of this is really a false face.

NPR: Foley, Iraq Cause Headaches for GOP

With the False Face Society merging the freaks and masked villains into armed groups with distinct territories, Batman faces a worst case scenario for Gotham and his own private life.

FORBES: How Warner Bros. Could Reboot Batman - Part 2