盤ばん石じゃく

noun

huge rock; boulder

Literal meaning: a massive, immovable rock. Often used in metaphors for stability.

• その城しろは盤ばん石じゃくの上うえに建たてられた。

  The castle was built on a huge rock.

noun, noun which may take the genitive case particle 'no', na-adjective

firmness; solidity; rock-solid

Figurative use: describes something extremely stable, unshakable, or reliable. Commonly used in phrases like 盤石の体制 (rock-solid system) or 盤石な基盤 (firm foundation).

• 彼かれの地ち位いは盤ばん石じゃくだ。

  His position is rock-solid.

• 盤ばん石じゃくな基き盤ばんの上うえに会かい社しゃを築きずく。

  Build a company on a firm foundation.