idiomatic expressions and their meaning and sentences

• To beat around the bush: to avoid the topic.
Example: "Stop beating around the bush. Get straight to the point, William."
Meaning: Stop avoiding the topic. Get straight to the point, William.

• To break a leg: to do one's best.
Example: "Oh, you're going to compete, Peter? Make sure to break a leg!"
Meaning: Oh, so you're going to compete, Peter? Make sure to do your best!

• To hit the shack: to go to sleep.
Example: "Darn. I'm so sleepy. Let's hit the shack, Hendrick."
Meaning: Darn, I'm so sleepy. Let's go to bed, Hendrick.

• To jump on the bandwagon: to join a popular trend.
Example: "Don't mind me, I'm just joining the bandwagon."
Meaning: "Don't mind me, I'm just doing what everyone's doing (as in, a fashion trend, etc).

• To steal someone's thunder: to take credit for something that other's did.
Example: "Have you heard? Hans is totally stealing Janshen's thunder. He didn't make the artwork, it was obvious that Janshen did!"
Meaning: Have you heard? Hans is claiming that Janshen's artwork is his's, although it's obvious that Janshen made it!"