We're up to our neck in debt.

　　我們債務累累。

　　The firm ended up deep in debt.

　　這家公司最后債臺高筑。

　　He began to slip into debt.

　　他開始欠債了。

　　He died heavily in debt.

　　他死時負債累累。

　　It will free us of a whole lot of debt.

　　這將免除我們一大筆債務。