run down

fe’l verb

1. To hit someone with a car or other vehicle and injure or kill them. He was run down while crossing the main road.
2. To criticize someone or an organisation, often unfairly. Don't run yourself down so much!
3. To find something or someone after searching for a long time. I finally managed to run down that report. I had filed it incorrectly.
4. To lose power slowly. Used for a machine, battery, or other powered device. If you don't switch off the car lights, you will run the battery down.