towel down/off 与 rub down 两者均可作“(用毛巾或布)揩干、擦干”解。

• Do towel the children down/off very thoroughly, they're wet to the skin and might catch a cold!
  一定要用毛巾把孩子们上上下下擦干，他们全身湿透了，会感冒的。
• I like to towel off by rubbing hard after a bath or swim.
  洗浴或游泳过后，我喜欢用毛巾使劲把身体揩干。
• We rubbed each other down after our bath.
  洗完澡我们彼此帮助，擦干身体。
• That dog has been in the water again. You'd better rub him down with this old cloth, or he'll catch cold.
  狗又下水了，你最好用这块破布把它擦干，否则它会感冒的。