stint|stinting|stints

他在装修房子时没有吝啬材料费用。

He didn't ___stint on materials when renovating his house.

尽管收入不错，他还是在孩子的教育上吝啬花钱。

Despite earning well, he was ___stinting on his children's education expenses.

她从不吝啬给孩子们买书。

She never ___stints on buying books for her children.