철벽

cheolbyeok

Noun

Definitions

impregnable fortress

(figurative) Something very strong so that it is not likely to collapse or break.

(비유적으로) 매우 튼튼하여 무너지거나 깨뜨려지지 않을 것 같은 대상.

impregnability

(figurative) The quality of being well prepared against an enemy's intrusion or attack.

(비유적으로) 적의 침입이나 공격에 대한 대비가 매우 튼튼함.

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