Someone has to take responsibility for this.

Don't push someone to do something they don't want to.

It strikes me that I should call my mom.

Everyone has their own taste in music.

I saw someone else at the party.

The joke is on him.

I can't believe he would rat on his own brother.

You should never cross someone who is trying to help you.

Be careful not to tread on someone's corns.

He decided to sell his friend out to the police.