knuckle down

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Related to knuckling down: knuckle under

knuckle down

To begin to work on something in a determined matter. If you want to get a passing grade this semester, you'll really need to knuckle down and study hard.
See also: down, knuckle

knuckle down (to something)

Fig. to get busy doing something. I want you to knuckle down to your work and stop worrying about the past. Come on. Knuckle down. Get busy.
See also: down, knuckle

knuckle down

1. Apply oneself seriously to some task or goal, as in The professor insisted that we knuckle down and get our papers in by Friday. Both this term and the rhyming synonym buckle down date from the 1860s, but the precise allusion in either is unclear.
2. See knuckle under.
See also: down, knuckle

knuckle down

v.
To apply oneself earnestly to a task: We've been relaxing too long—it's time for us to knuckle down and finish this work.
See also: down, knuckle

knuckle down

verb
See also: down, knuckle

knuckle down

Apply yourself to the job at hand. The phrase comes from the game of marbles, one of the once-popular children's street games. Players shot their “shooter” marble by clenching the marble in a fist with knuckles touching the ground, then launching it with a flick of the thumb. When it was a player's turn and his attention was elsewhere, he was reminded, “Okay, knuckle down.” A similar phrase, “buckle down” most likely came from the idea of tightening your belt before performing an arduous task.
See also: down, knuckle
References in periodicals archive ?
She her further knuckling down numeracy, literacy, aid safety confidence.
He said: "It is a case of knuckling down, working hard and hopefully I will get an opportunity again.
As schools across the region start clearing their desks for the summer holidays, pupils from a Tyneside primary are knuckling down and investigating ways to improve the area where they live.
JESSICA ENNIS has promised herself a Christmas Day blow-out before knuckling down to focus on world championship glory in 2013.
You want a game to come as quickly as possible but there are other methods of getting over it - working hard in training, going back to the drawing board and knuckling down.
FREDDY Eastwood today insisted no-one was more disappointed than him about Saturday's unhappy return to the Wolves' fold - and he vowed to continue knuckling down to convince Mick McCarthy he is worthy of a firstteam spot.