铜墙铁壁 — Chinese idiom
铜墙铁壁
tóng qiáng tiě bì
Traditional: 銅牆鐵壁
Meaning
- copper wall, iron bastion ; impenetrable defense
Character by character
Idioms sharing a character
- 铁齿铜牙 tiě chǐ tóng yá
- 兄弟阋墙 xiōng dì xì qiáng
- 引水入墙 yǐn shuǐ rù qiáng
- 狗急跳墙 gǒu jí tiào qiáng
- 红杏出墙 hóng xìng chū qiáng
- 隔墙有耳 gé qiáng yǒu ěr
- 手无寸铁 shǒu wú cùn tiě
- 斩钉截铁 zhǎn dīng jié tiě
- 砸锅卖铁 zá guō mài tiě
- 磨穿铁砚 mó chuān tiě yàn
Data: CC-CEDICT (CC BY-SA 4.0); Unihan Database (Unicode License v3). Retrieved 2026-10-22.