철옹성
cheorongseong
Noun
Definitions
impregnable fortress
A word literally meaning a fortress built in a sturdy manner like hangari, pot, made out of iron, referring to something strong enough to resist attack, or its state.
쇠로 만든 항아리처럼 튼튼하게 둘러쌓은 성이라는 뜻으로, 준비 등이 튼튼하고 단단하게 잘되어 있는 사물이나 상태.
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