Level 6 · word 18,083 of 20,000

kingpin

/ˈkɪŋˌpɪn/ American
  • n. 核心人物, 主脑
Definition
  • n. the most important person or thing in an organization or activity
Example
Police arrested the kingpin behind the smuggling operation.
警方逮捕了这起走私活动的幕后主谋。