netherworld
/ˈneðəwɜːld/noun
1the netherworld
- the underworld of the dead; hell阴间, 冥府, 地狱。
1.1
- a hidden underworld or ill-defined area犯罪社会; 下层社会; 下流社会：
the narcotic netherworld thriving in post-war America.
战后美国猖獗的毒品犯罪活动。