Two interesting English sentences from the Internet

Today, I learn two interesting English sentences from the Internet：

1. "The world is one's oyster."
--> It is used to tell someone that they can achieve whatever they want.

(It is believed that the proverb first appears in Shakespeare's play "The Merry Wives of Windsor".)


2.”beat the band”
--> It means that someone concentrates on something very much, and tries to do his or her best.

(Ex)
A: Why do they look so excited?
B: They're beating the band in order to win the game.