Let’s get right into it.  Mask idioms.

1.   Let your mask slip.  He drank  a lot at that party, he let his mask slip and we saw his true self.
2. Throw off your mask.  How long have you been living like this?  Don’t you think it’s time to throw off your mask and show the world your true nature?
3. Mask out.  I planted some bushes on the edge of my property to mask out the parking lot.

And now, a few famous quotes about masks:

1. Love often wears a mask in order to test loyalty.   Minna Antrim
2. Man is least himself when he talks in his own person. Give him a mask, and he will tell you the truth.   Oscar Wilde
3. Virtue has a veil, vice a mask.   Victor Hugo
4. It’s in literature that true life can be found. It’s under the mask of fiction that you can tell the truth.   Gao Xingjian
5. Boldness is a mask for fear, however great.   John Dryden

Next time, funny masks