堅けん牢ろう

na-adjective, noun

solid; sturdy; durable

Describes physical objects, structures, or materials that are robust and resistant to damage or wear. Often used for buildings, containers, or equipment.

• この金きん庫こは非ひ常じょうに堅けん牢ろうな作つくりだ。

  This safe is very solidly built.

• 堅けん牢ろうな橋はしが川かわにかかっている。

  A sturdy bridge spans the river.