心しん血けつを注そそぐ

expression, godan verb (-gu)

put one's heart and soul into; devote oneself completely to

Idiomatic expression meaning to pour all one's energy and passion into something. Often used for work, creative projects, or long-term efforts.

• 彼かれは研けん究きゅうに心しん血けつを注そそいでいる。

  He is putting his heart and soul into his research.

• この作さく品ひんには心しん血けつを注そそぎました。

  I poured my heart and soul into this work.