







impenetrable
fortress-like
ironclad
unbreakable

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Open the tool →铜城铁壁般 (tóng chéng tiě bì bān) means “impenetrable, fortress-like, ironclad, unbreakable”.
铜城铁壁般 is pronounced tóng chéng tiě bì bān in Mandarin Chinese.
“impenetrable” is 铜城铁壁般 (tóng chéng tiě bì bān) in Chinese.