English

Verb

knuckle down ‎(third-person singular simple present knuckles down, present participle knuckling down, simple past and past participle knuckled down)

1. (intransitive, chiefly Britain, idiomatic) To get to work; to focus on a task.

   You should knuckle down and do your homework!

Synonyms

• belly up to the bar, get one's act together, pull up one's socks, roll up one's sleeves, shape up

See also

• hunker down
• buckle down