Definition of 铜墙铁壁
1. (tóng qiáng tiě bì) copper wall, iron bastion (idiom); impenetrable defense
Synonyms of 铜墙铁壁
Click on the synonyms to see it on the Chinese dictionary:
不衰,
固若金汤,
坚不可摧,
坚固,
坚如磐石,
坚实,
坚牢,
壁垒森严,
巩固,
根深蒂固,
深厚,
深根固蒂,
牢不可破,
牢固,
稳固,
稳如泰山,
稳步,
结实,
金城汤池,
钢铁长城,
铁打江山,
长盛不衰