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Jyutping haau6 nang4
Pinyin xiào néng

Definitions (CC-CEDICT)
  1. efficacy
  2. effectiveness
Definitions (CC-CANTO)
  1. (noun) Function
Definitions (粵典–words.hk)
  1. 名詞
    通常​指機器​或者​組​織​嘅​效率
    (of machines or organisations) effectiveness
Definitions (Wiktionary)
  1. noun
    efficacy; effectiveness
    (syn.) 效率, 功效, 證驗, 效驗, 证验, 應效, 效力, 功力, 力量, 应效, 性能, 效验
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Examples (Tatoeba—Cantonese-English)
  1. Cantonese
    唔好搞乱「效能」同埋「效率」。
    唔好搞亂「效能」同埋「效率」。
    m4 hou3 gaau2 lyun6 「 haau6 nang4 」 tung4 maai4 「 haau6 leot2 」 。
    • Don't confuse "efficacy" with "efficiency".