| 1 | The rat gnawed a hole through the wall. | |
| 2 | Watch sb. as a cat watches a mouse. | |
| 3 | A mouse darted out of the closet and ran across the room. | |
| 4 | You' re building a 12)rat ship here, a vessel for sea-going snitches. | |
| 5 | People would have laughed at me... a cellar rat selling real estate. |