rub down
phrasal verbrub somebody/yourself/something down
to rub the skin of a person, horse, etc. hard with something to make it clean and dry 将（人、马等）彻底擦干 I came out of the water and rubbed myself down with a towel. 我从水里出来，用毛巾擦着自己。
rub something down
to make something smooth by rubbing it with a special material （用特别材料）将某物打磨光滑 Rub the wood down well with fine sandpaper before painting. 油漆前用细砂纸把木头打磨光滑。