Meanings
1864 in American English, from the game of marbles.
How to pronounce "knuckle down":
AU
To get to work; to focus on a task.
To submit; knuckle under.
Example Sentences
1
I need to knuckle down and finish this essay before the deadline.
2
She decided to knuckle down and study harder for the upcoming exams.
3
If you want to succeed in this project, you have to knuckle down and put in the effort.
4
After wasting a lot of time, he finally realized he needed to knuckle down and start working.
5
They told him to knuckle down and stop procrastinating on his responsibilities.
