spendthrifts

My uncle is a spendthrift who buys a new car every year.

我叔叔是个挥霍无度的人，每年都买新车。

She called him a spendthrift after he spent his entire salary in one week.

她在他一周内花光全部工资后，叫他败家子。

Being a spendthrift, he never saved any money for emergencies.

他是个挥金如土的人，从不存钱以备急用。