body and soul

US /ˈbɑːdi ənd soʊl/
UK /ˈbɑːdi ənd soʊl/
"body and soul" picture
1.

全身心, 完全地

with all of one's being; completely

:
She dedicated herself body and soul to her work.
全身心投入到工作中。
He believes body and soul in the cause.
全身心地相信这项事业。