The rat scurried across the floor.

He ratted on his pals.

I saw rats in the alley.

I smell a rat.

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

I'm tired of being caught up in the rat race.

I heard a loud rat-a-tat on the door.

The rat-tailed spoon has a handle that extends all the way to the bottom of the bowl.

I heard a rat-tat on the door.

The drummer played a rat-a-tat-tat on the snare drum.