1. Stink the rats out by burning sulphur.

2. You can't rat out your teammates.

3. The dog nosed a rat out.

4. It is really a great shame to rat out.

5. I was trying to drive rat out.

6. Why did he rat out on his friends?

7. It hurts us to rat out a friend.

8. Tom was a rubbish, he tried to rat out at the last minute.

9. She was delighted that I was not hurt, and threw the dead rat out of the window.