きんじょうてっぺき

金城鉄壁

表記・読み：きんじょうてっぺき

1. 1

   impregnable castle (walls)

   名詞yojijukugo
2. 2

   impregnable; invulnerable; unassailable

   nouns which may take the genitive case particle 'no'yojijukugo