underworld [ˈʌndərwɜ:rld]

例句:

• Some claim that she still has connections to the criminal underworld.
  有人称她仍与黑社会犯罪势力有来往。
  
• A playwright...solicits underworld figures to back his latest play.
  来自San Diego
• The begrimed...toilers...in the underworld of engines and boilers.
  来自F. T. Bullen
• A grey underworld...where people slagged Shay for...having a job.
  来自D. Bolger
• She was a shady figure in the Dublin underworld.
  她是都柏林犯罪圈子中的可疑人物.
  
• The central character of the novel is a sort of underworld figure.
  这部小说的中心角色是个黑社会人物.