knuckle down to something
knuckle down (to something)
in. to get busy doing something. Please knuckle down to your studies.
See also: down, knuckle, something
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
- bear down
- champ down on (someone or something)
- be down to (do something)
- be down to something
- chuck down
- chuck something down
- bog
- bog down
- bogged down
- bounce up and down