buckle down

Definition

To apply oneself to study, or a task or work; to focus on or take a serious attitude towards something; to put forth the needed effort.

Etymology

From buckle + down.

Example Sentences

• "If he would buckle down and do his homework, he could be an excellent student."
• "I confess that the recollection of what this bell could do when it buckled down to it gave me pause as I stood that night at 12.30 p.m. prompt beside the outhouse where it was located."