rub out ( rubbing, rubbed, rubs )

• 1. 

  PHRASAL VERB If you rub out something that you have written on paper or a board, you remove it using an eraser. 擦掉 [英国英语]

  例：

  It was unfortunate that she had rubbed out the message.

  不幸的是她已擦掉了那条信息。