knuckle down in a sentence

Examples

1. Performers are too often caught up with what happens from the knuckles down,
2. I've tried to knuckle down ."
3. And on run downs, he can knuckle down and plug the hole.
4. Other times he knuckled down and played good shots.
5. But we have knuckled down, worked hard and ground out some important results.
6. Red Sox fans want to knuckle down.
7. Hence the present need to hide out in Lenox and knuckle down and write songs.
8. "We'll have to knuckle down and do our business ."
9. With a two-shot lead now I really have to knuckle down and play.
10. So that was when I started to knuckle down and actually do stuff at uni.