堅けん城じょうけんじょうじ字FuriganaMeanings1nounstrong fortress; impregnable castleRefers to a fortress or castle that is strongly built and difficult to capture. Often used in historical or military contexts.この堅けん城じょうは、何なん度ども攻こう撃げきを退しりぞけてきた。This strong fortress has repelled many attacks.
