heart and soul

US /hɑːrt ənd soʊl/
UK /hɑːrt ənd soʊl/
"heart and soul" picture
1.

心血を注いで, 全身全霊で, 完全に

with all of one's energy and dedication; completely

:
She put her heart and soul into her painting.
彼女は絵に心血を注いだ
He devoted his heart and soul to the project.
彼はそのプロジェクトに心血を注いだ