屋や台たい骨ぼね

noun

framework of a building; foundation

Literally the structural framework or skeleton of a building, especially the main supporting beams. Often used metaphorically.

• 古ふるい家いえの屋や台たい骨ぼねが腐くさってしまった。

  The framework of the old house has rotted.

• 地じ震しんで建たて物ものの屋や台たい骨ぼねが大おおきく揺ゆれた。

  The building's framework shook violently in the earthquake.

noun

mainstay; backbone; supporting pillar

Figurative use for the central supporting element of an organization, family, or system. Can refer to a person who is the main breadwinner or key figure.

• 彼かれは会かい社しゃの屋や台たい骨ぼねを支ささえる存そん在ざいだ。

  He is the mainstay that supports the company.

• 父ちちが亡なくなって、家いえの屋や台たい骨ぼねが傾かたむいた。

  After my father passed away, the family's foundation became shaky.