work your fingers to the bone

US /wɜrk yʊər ˈfɪŋɡərz tu ðə boʊn/
UK /wɜrk yʊər ˈfɪŋɡərz tu ðə boʊn/
"work your fingers to the bone" picture
1.

lavorare fino all'osso, lavorare sodo

to work extremely hard, often to the point of exhaustion

:
She had to work her fingers to the bone to support her family.
Ha dovuto lavorare fino all'osso per sostenere la sua famiglia.
He's been working his fingers to the bone on this project for months.
Ha lavorato fino all'osso a questo progetto per mesi.