"She's like a pet mouse, that you want to protect and take care of!"

Or is she just a lovely lady who was using her top lip as an incubator for the family's sickly pet mouse?

There had been ones big enough to contain pet mice or clockwork ornaments.

You think anyone is going to care that I stepped on a condemned murderer's pet mouse?

An old man's pet mouse had apparently been living in the shed.

She's a comical little Italian girl who carries live pet mice in her pockets.

Without waiting for an answer, she bent to the ground and lowered her burning hand as if she were setting down a pet mouse.

He keeps a pet mouse called Hope in his pocket at all times for luck.

He's got a little boy would love a pet mouse, I bet.

I had a pet mouse back home called Blanche.