live beyond one's means
入不敷出
A:Our house is too small. We'd better have a big one.
A:我们的房子太小了，最好能有座大的。
B:How could we ever manage to buy a big house when we're always living beyond our means?
B：像我们这样靠薪水过日子的人家，怎么有可能买栋大房子呢?
A:Shut up. You should think how to make fortunes, not look for a squabble.
A：闭嘴吧，你应该考虑如何多嫌钱，而不是找茬吵架。