Question

Why do People Tell Actors to Break a Leg?

Answer 1

Answer:

it mean good luck

Explanation:

Answer 2

A long-standing superstition in theater is that if someone wishes you 'good luck'
as you're going on stage, that's a jinx, and it brings you bad luck.  So people do
just the opposite, our of consideration for the actors and the superstition of their
profession..