Meanings
How to pronounce "buckle down":
AU
To put forth the needed effort; to focus; become serious; apply oneself (e.g. to work or study).
Example: "If he would buckle down and do his homework, he could be an excellent student."
Example Sentences
1
I need to buckle down and finish this assignment before the deadline.
2
If we want to win the competition, we need to buckle down and practice harder.
3
After a relaxing vacation, it's time to buckle down and get back to work.
4
I have a lot of chores to do this weekend, so I need to buckle down and get them done.
5
If you want to improve your grades, you should buckle down and study regularly.