rub (sth) off

(sth) (cause sth to) be removed from (a surface) by rubbing (将某物)擦掉: Rub the mud off your trousers. 把你裤子上的泥擦掉. * Who's rubbed my figures off the blackboard? 谁把我写在黑板上的数字擦掉了? * These stains won't rub off. 这些污迹擦不掉. rub off (on/onto sb) be transferred (to sb) as a result of sb else's example 从他人的榜样中汲取到...: Let's hope some of her patience rubs off on her brother. 希望她的弟弟也能有点她那样的耐性.


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