knuckle down

listen to the pronunciation of knuckle down
İngilizce - İngilizce
To get to work; to focus on a task

You should knuckle down and do your homework!.

work very hard, like a slave
If someone knuckles down, they begin to work or study very hard, especially after a period when they have done very little work. The only thing to do was knuckle down and get on with some serious hard work He managed to knuckle down to his lessons long enough to pass his examination. = buckle down
knuckle down to work
begin to work energetically, start working hard
knuckle down