rathole

1. Because then we'd seal up one rathole and close off access to a lot of others.
   因为那样我们就会堵住一个老鼠洞，却切断通往许多其它老鼠洞的通路。
2. His last sum of money went down the rathole when he tried to save an old friend from bankruptcy.
   他在企图挽救他的老朋友免遭破产时白费了他最后一笔钱。
3. The two managers were banned after buying shares in companies their funds invested in and then selling them for a profit – a practice known as "building a rathole" in Chinese.
   此前，这两位基金经理买进自己基金所投资的公司股票，并卖出这些股票获利，因此被市场禁入。在中文中，上述做法被称作“老鼠仓”。
4. The manager of his rathole apartment let me in his place.
   他的那个破公寓经理让我进了他的屋子。

noun

1. a small dirty uncomfortable room

2. a hole (as in the wall of a building) made by rats