knuckle down

verb

1. informal.
   intr, adverb to apply oneself diligently

   to knuckle down to some work

Example Sentences

First Minister Michelle O'Neill said the parties now had to "knuckle down" and "do the business of government".

From BBC

She said the parties now had to "knuckle down" and "do the business of government".

From BBC

Team discipline seemed to have drained away, with stories of the Brazilian being left to get his head down and sleep off the night's excesses rather than knuckle down in training.

From BBC

"When they're asked to front up and perform at training, they get their heads on and knuckle down. I'm happy with the environment. Hopefully that continues over the next couple of weeks."

From BBC

Those in my profession need to knuckle down and do real work.

From Salon