batter down

• (不断用重物撞击而)摧毁(某物)，冲垮；打垮：

  Police battered down the door of the thieves' hideout.

  警察撞开了贼窟的门。

  Our troops battered down the enemy defensive works.

  我部队以炮火摧毁了敌人防御工事。