My teacher is awesome! She is willing to go the extra mile for her students and stays late after school to help them understand their assignments. What does go the extra mile mean?

The argument between the two students escalated into a fist fight. What does escalate mean?

Lester made the dance team by the skin of his teeth; you can tell he hasn't been dancing jazz for very long. What does "by the skin of his teeth" mean?

You have cried wolf so many times that no one believes you when you're really hurt.

How is this ironic?

I just saw you kissing my boyfriend. What’s the matter? Cat got your tongue? What does "cat got your tongue" mean?

How is this ironic?

The police determined his story was credible and he was not charged with the crime. What is a synonym for credible?

The medicine alleviated the pain. What does alleviate mean?

When my sister wore my favorite shirt without asking me, I was infuriated! What is a synonym for infuriated?

Hey. Cut me some slack. I was really busy with my frog hunting business last week and forgot to call. I'm sorry! What does "cut me some slack" mean?

When my pants ripped in front of the whole cafeteria, I was mortified. What is a synonym for mortified?