柯林斯词典petard /pɪˈtɑːd/ 1. N (formerly) a device containing explosives used to breach a wall, doors, etc (旧时破坏墙、门等用的)爆炸装置 返回 petard剑桥词典 be hoist(ed) with/by your own petard → hoist (见 hoist) 返回 petard