柯林斯词典petard /pɪˈtɑːd/ 1. N (formerly) a device containing explosives used to breach a wall, doors, etc (舊時破壞牆、門等用的)爆炸裝置 返回 petard剑桥词典 be hoist(ed) with/by your own petard → hoist (見 hoist) 返回 petard