netherworld
n. 阴间; 下层社会; 黄泉
If you refer to a place as a netherworld, you mean that it is dangerous and full of poor people and criminals.
...a London netherworld of criminals...
伦敦市一个罪犯频繁出没的地方
Waits sang about the boozy netherworld of urban America.
韦茨歌唱美国都市纵酒豪饮的下层世界。
1. (religion) the world of the dead;