
Buff up
Subject-Specific
Use 'buff up' when referring to improving knowledge in a specialized subject or skill.

He will buff up on his French before moving to Paris.
Preparation Essential
'Buff up' implies preparation for a specific event or requirement, such as an exam or interview.

They're buffing up on their history for the upcoming quiz.
Casual Speech
Common in casual or informal conversations, often used when giving advice.

You should buff up on the company's profile before the meeting.
WordUp Chrome Extension
As you browse the web instantly look up words you don’t know.
Get Chrome Extension