Question

Select the most appropriate meaning of the given idiom. Knuckle down

• A. To crush someone to the extent that they cannot get up
• B. To start working or studying hard
• C. To engage in street fighting
• D. To make others do their share of hard work using power

Answer 1

Answer:

B. To start working or studying hard

• This idiom is often used when someone needs to stop procrastinating and focus seriously on a task.