be reckless of expenditure

• 乱花钱

be reckless of expenditure的用法和样例：

例句

1. He throws about money in front of his friends.
   他在他朋友的面前乱花钱。
2. Well, Dad always tells us to be careful with our money, so buying him something pricey is out.
   嗯，爸总叫我们别乱花钱，所以买昂贵的东西给他就免谈了。