1. 地狱般的地方;鸟不拉屎的地方;环境极肮脏（或恶劣）的地方
If you call a place a hellhole, you mean that it is extremely unpleasant, usually because it is dirty and uncomfortable.
e.g. ...stuck in this hellhole of a jail.
困在这鬼监狱里
noun
1. any place of pain and turmoil
e.g. the hell of battle
the inferno of the engine room
when you're alone Christmas is the pits