Read Edit View history Discussion 铜墙铁壁 tóngqiángtiěbì impregnable defense Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 铜墙铁壁/ 銅牆鐵壁 tóngqiángtiěbì impregnable defense (idiom) copper wall and iron bastion; used to describe an extremely solid and indestructible fortification or defense Edit Delete References Add reference classifier 铜墙铁壁/銅牆鐵壁 → 道/道 Edit Delete variant 铜墙铁壁/銅牆鐵壁 → 铁壁铜墙/鐵壁銅牆 Edit Delete same_as 铁壁铜墙/鐵壁銅牆 → 铜墙铁壁/銅牆鐵壁 Edit Delete
铜墙铁壁/ 銅牆鐵壁 tóngqiángtiěbì impregnable defense (idiom) copper wall and iron bastion; used to describe an extremely solid and indestructible fortification or defense Edit Delete