filthy rich 极其富有（非正式）
英文释义
A person who is a dependable source of comfort and stability regardless of difficult circumstances.
My teenage daughter must think we're filthy rich because she keeps asking us to buy her fancy new clothes.
我的十几岁的女儿一定以为我们特别有钱，因为她总是求我们给她买高档新衣服。