身みを粉こにする

expression, suru verb (irregular)

work oneself to the bone; give one's all; make the utmost effort

Idiomatic expression literally meaning 'to turn one's body into dust', used to describe working extremely hard, often to the point of exhaustion or self-sacrifice. Conveys a strong sense of dedication and effort.

• 彼かれは家か族ぞくのために身みを粉こにして働はたらいている。

  He works himself to the bone for his family.

• 身みを粉こにして努ど力りょくした結けっ果か、夢ゆめが叶かなった。

  As a result of giving it my all, my dream came true.