 |
| |||
| sweat one's guts out (Anglophile) | |||
| bust ass (Баян) | |||
| work one's tail off (The dead acoustics of the room force the students to work their tails off. Val_Ships); work one's arse off (British: they work their arse off all year Val_Ships); work one's butt off (Val_Ships) | |||
| work one's fingers to the bone | |||
| |||
| work one's ass off (Баян) | |||