Somebody rubs off on someone, it means that parts of them start transferring to you, hopefully.

某人对某人产生影响，这意味着他们的一部分很有可能会开始转移给你。

When we say something will rub off on someone, we mean it will move from one person to the other.

当我们说某事会影响某人时，我们的意思是它会从一个人转移到另一个人。