run somebody/something into the ground
run (oneself or something) into the ground
1. To work oneself to the point of illness or exhaustion. If you keep working 80-hour weeks, you'll run yourself into the ground sooner than later.
2. To overuse or poorly maintain something, resulting in its destruction or loss of functionality. If you would just remember to get your oil changed, you wouldn't keep running your cars into the ground.
3. To continue to discuss or address something—especially an issue or topic—that is no longer of any use or relevance. We've all moved on from that problem, so there's no use running it into the ground.
run into the ground
1. Pursue a topic until it has been thoroughly discussed or exhausted, as in They've run the abortion issue into the ground.
2. Ruin or destroy, as in During her brief time as chief executive Marjorie just about ran the company into the ground . Both usages allude to pushing something so far that it is, in effect, buried. [Early 1800s]
run something into the ground
If you run something into the ground, you use it continuously without looking after it, until it is spoilt or destroyed. They didn't take care of the vehicle. They just ran it into the ground. Britain's public housing has been run into the ground over the last few decades.