I keep telling my friend it's foolish to gamble all of his money, but it's like water off of a duck's back.
I keep telling my friend it's foolish to gamble all of his money, but it's like water off of a duck's back.
这是说：“我一直告诉我的朋友，不要那么傻，把所有的工资都用在赌博上。可是，我的话对他全然不起作用。”