knuckle down to something

knuckle down (to something)

in. to get busy doing something. Please knuckle down to your studies.

Name	Pronounced	Usage
Agner	-	Danish
Nazaire	-	French
Karoliina	KAH-ro-lee:-nah	Finnish
NesrİN	-	Turkish
Deepali	-	Indian, Hindi, Marathi
Sienna	see-EN-ə	English (Modern)