To "brush up" means to refresh one's memory or practice one's skills. So if you need to brush up on your English skills, then you need to practice it some more and become more fluent with the language.
"Brush"in English is spazzola in Italian.
"I brush my teeth!" in English is Je me brosse les dents!in French.
a brush
I brush my hair(english)=Je brosse mes cheveux(Français)
you have to brush there teeth up and down
powder brush
I think you need only to look up and down the threads on this website to answer that question. Clearly, people are still lacking in the basic elements of English and need to brush up on them a bit.
no
it's mane in English
In adfdition to taking a prep course (e.g. Kaplan), brush up on your basic academic skills (English, math, reading).
To tack up a horse english style (if this is what you mean?) first (after you brush them off) you put on the square pad. Then, you put on the white pad (sometimes called a fluffy pad) then, the saddle. Then you put on the girth and then the bridle and your all done :)
Brosse is French for "brush." The 'de la' part means, 'of/from the'. Together it means, "of/from the brush."