the practice of brushing up a skill

to brush up (a skill, knowledge, etc.) / to review or improve (something)

skill (capacity to do something well)

every day; daily

everyday life; daily life

blusher, blush (makeup to redden cheeks)

(often in compounds) a brush (implement comprising bristles and a handle)

practice (learning or improvement of a skill)

practice

(chiefly women's speech) first person singular pronoun: I, me