表达 “made of money” 的字面意思是 “用钱做的”，但它实际用来形容某人 “非常富有，腰缠万贯，舍得花钱”。如果想用这个表达来形容自己 “没有钱”，则可以说：“I'm not made of money.（我不是有钱人。）”

例句
She's just been on three-month cruise around the world – she must be made of money!
她刚刚乘船环游世界三个月回来。她一定很有钱！

Judging by the clothes he wears, he must be made of money.
从他的着装来看，他一定很有钱。

I'm not buying you another pair of shoes. I'm not made of money!
我不会再给你买鞋了。我又不是富翁！