and people became unemployed.

人们大量失业
The unemployment rate in the United States rose to 25%.

美国失业率高达25%
Lots of people could not refinance their mortgages

由于失业
because they were unemployed.

许多人无法再次申请抵押贷款
You go to a bank and say,

你去跟银行讲
I want to borrow to refinance my mortgage, which is due now.

由于现在的处境我想再申请已到期的抵押贷款
They're asking me to pay $5,000; I don't have $5,000.

他们让我还5000美元但我没有
But the bank would say,

但银行会说
hey you're unemployed; we can't give you a mortgage.

你失业了所以我们不能给你办贷款
Anyway, your loan-to-value ratio is getting pretty precarious

你的贷款价值比变得很不安全
because your house is now down 30% in value;

因为你的房子已经贬值30%
your loan-to-value ratio,

如果我们借给你5000美金