It is a piece of cheese—a piece of cheese in a mousetrap, and we are the little mice.
I'm here, we're here, and you've just provided me with a way out of this mousetrap!
I believe she's equal to catching one of them in a mousetrap if she gets the opportunity!
Each answers what he pleases, as a saucepan, a mousetrap, etc.
When I got there I found that poor Tom was imprisoned ...