brush up on

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Keenan, 24, re-watched parts of season two to brush up on the region’s geopolitics.

From The Wall Street Journal • Jan. 15, 2026

As part of his studies, Dr. Chang had to brush up on autoimmune diseases, memorizing the names of human proteins that can be targeted by a misdirected immune system.

From New York Times • Feb. 1, 2024

As a self-described “elite,” it would be a good time for him to brush up on the current affairs of us common parsnips.

From Salon • Jan. 2, 2024

I study the camera language, the performances and brush up on the storylines.

From Los Angeles Times • Oct. 29, 2023

“You might want to brush up on your jousting skills,” I said.

From "Ready Player One: A Novel" by Ernest Cline