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to brush up
[phrase form: brush]
01
to practice and improve skills or knowledge that one has learned in the past
Transitive: to brush up a skill or knowledge
Example
The chef is brushing up on culinary techniques to stay updated.
It's a good idea to brush up on your driving skills before the road trip.
Students often brush up on math concepts before final exams.
02
to make something better as if by polishing and removing dust
Transitive: to brush up a surface
Example
The jeweler carefully brushed up the silver necklace, removing any tarnish.
She brushed up the picture frames to make them sparkle.
He brushed up his work shoes every night to keep them looking sharp.
Brush up
01
the act of putting a liquid into the body by means of a syringe
