work your guts out

US /wɜrk yʊər ɡʌts aʊt/
UK /wɜrk yʊər ɡʌts aʊt/
"work your guts out" picture
1.

spaccarsi la schiena, lavorare sodo

to work extremely hard

:
I had to work my guts out to finish the project on time.
Ho dovuto spaccarmi la schiena per finire il progetto in tempo.
She's been working her guts out all week to prepare for the presentation.
Ha lavorato sodo tutta la settimana per prepararsi alla presentazione.