lynchpin

[ˈlintʃpin] [ˈlɪntʃˌpɪn]
例句
英英词典释义
  • Noun
    1. a central cohesive source of support and stability;
    "faith is his anchor""the keystone of campaign reform was the ban on soft money""he is the linchpin of this firm"
    2. pin inserted through an axletree to hold a wheel on