knuckle down

Meaning: To do one's work seriously; to apply oneself fully; to get busy.

Language: English

Literally: (Already vivid in English)

Category: Daily Life

More idioms — Daily Life

knuckle under — To submit or give in to pressure.
labor of love — Something done out of affection or great interest.
live in the lap of luxury — To be very comfortable because one is well-off financially.
last but not least — The final item on a list, but not the least important.
last-ditch effort — A very strenuous final attempt.
last straw — The final thing; the thing or action that is too much or goes too far.

lay down the law — To set rules and regulations.
lay one's cards on the table — To be open and honest; to reveal everything.
learn the ropes — To become familiar with a task or situation.
leave someone in the lurch — To abandon someone to a difficult situation, forcing him or her to take all the responsib…
leave someone left out in the cold — To shun someone; to exclude someone from a place or activity.
leave someone high and dry — Abandoned or stranded; helpless.

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