knuckle down to something

knuckle down (to something)

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

Name	Pronounced	Usage
JÓNatan	-	Icelandic
Jaffar	-	Arabic
Aliz	ah-LEEZ	Hungarian
England	['inglənd]
Marius	MER-ee-əs (English), MAR-ee-əs (English), MAH-ree-uws (German)	Ancient Roman, Romanian, German, Dutch, Norwegian, Danish, French
Lucilla	-	Italian, Ancient Roman