DUST SB/STH
Meaning of DUST SB/STH in English
off
to remove dust, dirt, etc. from sb/sth :
( figurative )
For the concert, he dusted off some of his old hits.
Oxford Advanced Learner's English Dictionary.
Оксфордский английский словарь для изучающик язык на продвинутом уровне.
2005