English / phrasal verb
Brush up on
MEANING IN ENGLISH
to refresh one's memory of something or improve an existing skill or knowledge
In context
01
I need to brush up on my Spanish grammar before the oral exam next week.
02
She spent the weekend brushing up on basic calculus formulas.
Synonyms
Revise,refresh,polish up
Antonyms
Forget,neglect,overlook
Collocations
Brush up on grammar,brush up on skills,brush up on knowledge