brush up
verb
brushed up; brushing up; brushes up
transitive verb
1
: to improve or polish as if by brushing
2
: to renew one's skill in
brush up your Spanish
intransitive verb
: to refresh one's memory : renew one's skill
brush up on math
brushup
ˈbrəsh-ˌəp 
noun 
Example Sentences
Recent Examples on the Web Practice English with the minions from Despicable Me or brush up on your Korean during the Squid Game bloodbath. 
Reece Rogers, Wired, 31 Mar. 2022 So, pack your bags, brush up your German and get ready for some currywurst and beer. Saeed Jaberi, Forbes, 3 Aug. 2022 Justin Allgaier picked up damage after a brush up with Sheldon Creed before Creed was spun by Ross Chastain. Rob Peeters, The Indianapolis Star, 30 July 2022 Percy: What are your top tips for leaders looking to brush up on their influencing skills? Sally Percy, Forbes, 15 July 2022 So, dust off your wardrobe, brush up on your manners, and prepare yourself for every possible type of wedding with this comprehensive style guide. Ali Ruth, The New Yorker, 4 Aug. 2022 So brush up on some pumpkin carving tips—as well as techniques using a linoleum carving tool—and be ready to pull out the drill and craft bin too. Charlyne Mattox, Country Living, 15 July 2022 Authorities think the truck discovered Monday had mechanical problems when it was left next to a railroad track in an area of San Antonio surrounded by auto scrapyards that brush up against a busy freeway, said Bexar County Judge Nelson Wolff. The Christian Science Monitor, 29 June 2022 The small group of first-graders are part of Robinson Elementary’s second summer learning camp, and White, a pre-K teacher, signed up to spend her break helping the students brush up on their phonics skills. al, 16 June 2022 See More
Reece Rogers, Wired, 31 Mar. 2022 So, pack your bags, brush up your German and get ready for some currywurst and beer. Saeed Jaberi, Forbes, 3 Aug. 2022 Justin Allgaier picked up damage after a brush up with Sheldon Creed before Creed was spun by Ross Chastain. Rob Peeters, The Indianapolis Star, 30 July 2022 Percy: What are your top tips for leaders looking to brush up on their influencing skills? Sally Percy, Forbes, 15 July 2022 So, dust off your wardrobe, brush up on your manners, and prepare yourself for every possible type of wedding with this comprehensive style guide. Ali Ruth, The New Yorker, 4 Aug. 2022 So brush up on some pumpkin carving tips—as well as techniques using a linoleum carving tool—and be ready to pull out the drill and craft bin too. Charlyne Mattox, Country Living, 15 July 2022 Authorities think the truck discovered Monday had mechanical problems when it was left next to a railroad track in an area of San Antonio surrounded by auto scrapyards that brush up against a busy freeway, said Bexar County Judge Nelson Wolff. The Christian Science Monitor, 29 June 2022 The small group of first-graders are part of Robinson Elementary’s second summer learning camp, and White, a pre-K teacher, signed up to spend her break helping the students brush up on their phonics skills. al, 16 June 2022 See More Word History
First Known Use
circa 1600, in the meaning defined at transitive sense 1