brush up

The two have brushed up against authorities in the past because of alleged violence between them.

They've also begun to brush up on their Mandarin skills too.

She spent quality time with her grandma who lives in China, brushed up her skills on the piano and read a stack of books.

The lieutenant governor had called LGBTQ+ people "filth" and advocated for brushing up on Adolf Hitler quotes.

This will require that you brush up on your fish identification skills, but it's a small price to pay for protecting our fish, saving on groceries and limiting unexpected and urgent trips to the restroom.