wholeheartedly
Il s'est donné corps et âme à son travail.
He devoted himself body and soul to his work.
Body and soul.
Il s'y est investi corps et âme.
He threw himself into it body and soul.
Vous êtes maintenant éteints, corps et âme.
You are now extinguished, body and soul.
— White Snake (2019)
Je me donnerai corps et âme à ce film.
I’ll devote myself body and soul to this film.
— King of Comedy (1999)