擦掉：指通过擦拭使某物从表面上移除。
传染：指某种特质或行为通过接触而传递给他人。
rub off //
动词 to remove or be removed by rubbing 擦掉
名词 a resulting effect on something else; consequences 影响; 效果
a positive rub-off
... rub down用力擦遍；按摩 rub off擦掉，磨去 rub out擦掉，拭去；(俚)杀死 ...
... rub down用力擦遍;按摩 rub off擦掉,磨去 rub out擦掉,拭去;(俚)杀死 ...
Every time I use the steering wheel, I rub off some items.
每次我使用方向盘时，都会摩擦掉一些微粒。
The gold colouring had begun to rub off.
金黄色已经开始剥落了。
Not only does that threaten to rub off on users, it's bad for recruitment and retention of talented hackers, who are the lifeblood of Zuckerberg's creation.
这不仅会威胁到用户，也不利于招募和留住天才黑客，而这些黑客正是扎克伯格创建（公司）的命脉。
Political analyst Richard Wolffe told VOA that world leaders want some of Mr.Obama's popularity to rub off on them.
VOA : standard.2009.04.03
Every time I drive the steering wheel of my car, I rub off some items. But that's OK, it's still the very same physical object.
每次我使用方向盘时，都会摩擦掉一些微粒，但没关系，它还是原来那个物体。
死亡课程节选 : 耶鲁公开课
Ideally, some of the goodwill the audience has toward the host will rub off on you.
They hope that some of it may rub off on them, making all Italians richer.
If only there were some actual young players for all that experience to rub off on.