pound at

• • 重重地在…上敲(或击、打)；连续撞击：

    She heard someone pounding at the door of her neighbour last night,

    她昨夜听见有人在砰砰砰地敲她邻居的门。

  • (枪、炮)连续猛击：

    Our army pounded at the enemy's camp and destroyed it.

    我军用炮向敌营连续猛轰并摧毁了它。

  • 抨击：

    In his campaign speeches, he kept pounding at the weakness of the government's foreign policy.

    他在竞选演说中不断地抨击政府外交政策的弱点。