ringleader [ˈrɪŋˌlidɚ]

例句:

• He spilled it that Bill was their ringleader.
  他透露比尔是他们的主谋.
  
• To catch bandits , first catch the ringleader.
  擒贼先擒王.
  
• 'He's the cook ; and the ringleader, too.'
  “ 他是船上的厨子, 也是那帮家伙的头目. ”
  
• "Khloponin was the ringleader," Romanova says.
  来自NEWYORKER
• Even the artwork depicts T-Pain dressed up as a circus ringleader.
  来自BBC
• Surgeon Lutfi Dervishi is alleged to be the ringleader of the group.
  来自VOA