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Jyutping gan2 sau2
Pinyin jǐn shǒu

Definitions (Wiktionary)
  1. adj, Min-Nan
    nimble; quick (in doing things)
    (syn.) 靈便, 便捷, 机动, 靈巧, 麻利, 灵巧, 灵活, 轻快, 灵利, 利索, 紧跤捷手, 靈利, 機動, 便利, 快手, 灵便, 緊跤捷手, 利落, 輕快, 敏捷, 灵敏, 靈活, 靈敏, 手快
  2. adj, Hokkien, Mainland-China
    first by one step from someone (to do something)
Examples (粵典–words.hk)
  1. Cantonese
    对面个大波妹同我挥紧手啊!
    對面個大波妹同我揮緊手啊!
    deoi3 min6 go3 daai6 bo1 mui1 tung4 ngo5 fai1 gan2 sau2 aa3!
    • The girl with huge boobs opposite to us is waving at me!