Narrator: "It means 'good luck.' It is often used to wish someone success before a performance or a challenging situation."

[Pause: 2 seconds]

[Pause: 1 second]

Narrator: "For example, if a friend is about to go on stage for a play, you can say, 'Break a leg!' to wish them good luck."

This means "good luck." It is often used to wish someone success before a performance or a challenging situation, especially in the context of theater, sports, or any kind of public performance.