The food in our dining hall is the pits!
我们食堂的东西难吃极了。

讲解：
Here, "pits" is an adjective very popular with teens and 20-somethings, meaning "the worst". (pits这个词在20几岁的年轻人中很流行,意思是“糟透了”)
For example, "That apartment the company gave me to live in is the pits, no bathroom, a tiny kitchen, and no air conditioner."
公司提供的公寓糟糕透了，没有洗手间，厨房只有巴掌大，还没有空调。