An earthquake hits only once in a blue moon where I'm from. I was very surprised when there was one last week! (What does once in a blue moon mean?)

Kendall's car was badly damaged in the accident, and he was angry about what had happened. He soon realized that there was no use crying over spilled milk. It was time to move on. (What does crying over spilled milk mean?)

My science project was a complete failure. Luckily there's still a month before it's due because I'm back to the drawing board. (What does back to the drawing board mean?)

I have a test tomorrow. It's time to turn off my phone and hit the books or else I might fail! (What does hit the books mean?)

You can keep on trying to convince Chloe till the cows come home, but she won't change her views. (What does until the cows come home mean?)

Marcus heard that someone was gossiping about his friend, Shelly. Marcus went to bat for Shelly and told the bullies to stop. (What does to go to bat for someone mean?)

Before I went to the mall with my friends I gave my mom a ballpark figure on when I would be coming home so she knew roughly when to expect me. (What does ballpark figure mean?)

When someone gets me upset it's hard for me to bite my tongue. I always end up saying something I regret. (What does it mean to bite your tongue?)

My friends and I see eye to eye on our opinions about most video games. We love playing the same games together! (What does seeing eye to eye mean?)

Could you please lend me your ear for a minute? I need to tell you something super important. (What does lend an ear mean?)

As an older sister May was always pulling her little brother's leg and making him laugh, but she was there for him whenever he needed her. (What does pulling someone's leg mean?)

While we took the test my teacher told us that she was keeping an eye on us. She said there's no way we could cheat. (What does keep an eye on mean?)