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.
彼は研究に心血を注いでいる。
He is putting his heart and soul into his research.
この作品
I poured my heart and soul into this work.