Más sobre la pronunciación de ground
Definición de “ground” en inglés
drive/run/work sb into the ground › to make someone work very hard, especially so that they become ill or extremely tired: Although we worked everyone into the ground, we didn't get the job done in time. They were running themselves into the ground.
drive/run/work sth into the ground › to use something so much that it breaks or stops working: They decided to run the car into the ground instead of changing it.