| 释义 | 
		WordReference English-Chinese Dictionary © 2019: | 主要翻译 |  linchpin,  lynchpin nnoun: Refers to person, place, thing, quality, etc.  |  figurative (unifying element) (比喻) | 关键性因素,枢纽 
  |  |   | The monarchy was the linchpin of the nation's traditions and society. |  linchpin,  lynchpin nnoun: Refers to person, place, thing, quality, etc.  |  (pin that holds a wheel in place) (止动器) | 制轮楔,车轴销 
  |  |   | The rusty linchpin caused the wheel to make a squeaking noise. |  
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