BRUSH STH


Meaning of BRUSH STH in English

up brush sth up | ˌbrush ˈup on sth

to quickly improve a skill, especially when you have not used it for a time :

I must brush up on my Spanish before I go to Seville.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.