miser|misers

那个吝啬鬼连生日蛋糕都不舍得买。

The ___miser wouldn't even buy a birthday cake.

那些守财奴宁可住在破旧的房子里，也不愿花钱修缮。

The ___misers would rather live in dilapidated houses than spend money on repairs.

那个吝啬鬼连给朋友买一杯咖啡都不愿意。

That ___miser wouldn't even buy his friend a cup of coffee.