kingpin [ˈkɪŋˌpɪn]

例句:

• He went from being a small - time hood to a mafia kingpin.
  他从不成气候的小太保慢慢混到黑手党的头儿.
  
• He's the kingpin of the whole team.
  他是全队的主力.
  
• National spirit is the moral kingpin on which a nation relies for survival and development.
  民族精神是一个民族赖以生存和发展的精神支撑.
  
• You were kingpin, no one else mattered.
  来自THETIMES
• The owner of three shops was the kingpin behind a wholesale shoplifting plot.
  来自Daily Telegraph
• "Mick was clearly the kingpin of that family," she said.
  来自THETIMES