rub up on

Refresh one's knowledge, as in I must rub up on my French before we leave for Paris. [Second half of 1700s] Also see brush up, def. 2.

To refresh one's knowledge of: I have to rub up on my French.

Name	Pronounced	Usage
Lazarus	LAZ-ər-əs (English)	Biblical, Biblical Latin
Dessislava	-	Bulgarian
Abhinav	-	Indian, Hindi, Marathi, Kannada, Telugu
Fagan	['feigən]
Suzana	-	Croatian, Serbian, Slovene, Macedonian, Portuguese (Brazilian)
Ham	[hæm]