work to the bone (verb) labor: work very hard
Sinonime: bear down,
cultivate,
drive,
drudge,
endeavor, exert oneself,
grind, plod, plug away, pour it on,
slave,
strain,
strive,
struggle,
sweat,
tend,
toil,
travail, work oneself to the bone
Antonime: idle, laze,
relax