petard

• 一种小型爆炸装置，历史上用于炸开城门或城墙。在早期现代戏剧中，也常指因自身爆炸而伤及使用者的装置，引申为自食其果的计谋。

A noun referring to an explosive device historically used to breach gates or walls.

1. C2formal

   A small explosive device historically used in warfare to breach gates, walls, or barriers.

   爆破药包

   • The soldiers used a petard to blow open the castle gate.
   • The engineer carefully placed the petard against the wall.
   • The explosion from the petard shattered the wooden barrier.

   同义词bombchargeexplosivemine