knuckle down

verb

1. informal.
   intr, adverb to apply oneself diligently

   to knuckle down to some work

Example Sentences

“Being new in town, it was really important to focus and knuckle down,” she said of her decision to focus on acting.

From The Daily Beast

Can we tighten our belts, knuckle down and use that knowledge that our forefathers and mothers gave us?

From The Daily Beast

Meanwhile, put aside all that idea and knuckle down and help.

From Project Gutenberg

Sheridan's chief anxiety is for his own interests: 'Knuckle down, and don't funk, Charley.'

From Project Gutenberg

That would mean I'd have to knuckle down, and crawl before the mighty Fred Fenton, like some of the other ninnies do.

From Project Gutenberg

I should have had to knuckle down very submissively to some ataman, or bully, and this I was not willing to do.

From Project Gutenberg

All the same, muttered Bluff, a dozen like him couldnt make me knuckle down, if I knew I was in the right.

From Project Gutenberg