rub something down

Từ điển Oxford Advanced Learner 8th

▪ I. ˌrub sthˈdown derived
to make sth smooth by rubbing it with a special material
•Rub the wood down well with fine sandpaper before painting.
Main entry: ↑rub_derived
 
▪ II. ˌrub sb/oneself/sthˈdown derived
to rub the skin of a person, horse, etc. hard with sth to make it clean and dry
•I came out of the water and rubbed myself down with a towel.
Main entry: ↑rub_derived