If you overspend, you spend more money than you can afford to.
例句
Don't overspend on your home and expect to get the money back when you sell...不要在买房子上超支并指望以后出售时还能把钱赚回来。I overspent by £1 on your shopping so I'm afraid you owe me...我为你买的东西多付了1英镑，所以呢，恐怕你欠我的。
N-COUNT
超支（额）
If an organization or business has an overspend, it spends more money than was planned or allowed in its budget.
例句
Efforts are under way to avoid a £800,000 overspend.正在采取措施以避免出现80万英镑的超支。