铜墙铁壁 (銅牆鐵壁) tóng qiáng tiě bì

tóng qiáng tiě bì set phrase copper wall, iron bastion; impenetrable defense
Domain: Idiom 成语
Notes: (CC-CEDICT '銅牆鐵壁'; Guoyu '銅牆鐵壁')

Word is mentioned most frequently in

Truncated for common words

• 第一百九回 Chapter 109 Water Margin 水滸傳 — count: 1
• 第四十八回 Chapter 48 Water Margin 水滸傳 — count: 1
• 第五十回 Chapter 50 Journey to the West 西遊記 — count: 1