trample (someone or something) to (something)
To cause someone or something to enter into some state or condition due to being trampled. Often used in passive constructions. Several tourists were trampled to death as the bulls stampeded through the city. The kids trampled the expensive vase to dust as they ran through the house.
trample someone or something to something
to stomp or crush someone or something underfoot to the point of death or destruction. The elephant trampled the photographer to death. All the joggers trampled the grass to a muddy mess.