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Jyutping faat3 tiu4
Pinyin fā tiáo

Definitions (CC-CEDICT)
  1. spring
  2. coil spring (spiral spring used to power clockwork)
Definitions (Wiktionary)
  1. noun
    mainspring; spring that is wound to store energy
    • 上發條
      上发条
      shàng fā tiáo
      to wind up the spring
Examples (Wiktionary)
  1. Mandarin
    触发条件
    觸發條件
    chù fā tiáo jiàn
    • trigger
  2. Mandarin
    上发条
    上發條
    shàng fā tiáo
    • to wind up the spring