BRUSH UP (ON) (SOMETHING)


Meaning of BRUSH UP (ON) (SOMETHING) in English

brush up (on) something phrasal verb ( see also ↑ brush )

to practise and improve your skills or your knowledge of something that you learned in the past:

I must brush up on my French before I go to Paris.

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.