They tore down the old hospital and built a new one.他们拆掉了旧医院，建了一座新的。

We're planning to tear down the wall between the kitchen and the dining room.我们计划拆掉厨房和餐厅之间的那道墙。

tearing down walls of injustice拆掉不公正的壁垒

They're trying to tear his reputation down.他们企图破坏他的名声。