Wiktionary
brushes up
vb. (en-third-person singularbrush up)
Usage examples of "brushes up".
But he really did mean painting the sort his guildsmen did with their brushes up and down railings.
Practically everyone else in the city brushes up against dwa since it took over so many people's lives.
He brushes up his Spanish with a ruddy complexioned Count Miranda whom he is to accompany to Spain in the disguise of the Count's servant.
It's a rare one who brushes up near our Darcy and walks away unaffected.
Yet very rarely is the more important question asked: What will happen when our culture brushes up against an alien culture?