







铁郭金城 is a Chinese idiom (chengyu) meaning “a heavily fortified city or stronghold”. An impregnable fortress. Often used metaphorically to describe something extremely well-protected and formidable. Literally, “Iron outer wall, golden city”.

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Open the tool →铁郭金城 (tiě guō jīn chéng) is a Chinese idiom (chengyu) meaning “a heavily fortified city or stronghold”.
铁郭金城 is pronounced tiě guō jīn chéng in Mandarin Chinese.
Literally, 铁郭金城 means “Iron outer wall, golden city”. It is used to mean “a heavily fortified city or stronghold”.
比喻设防坚固的城池。