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Jyutping haak1 sau2
Pinyin hēi shǒu

Definitions (粵典–words.hk)
  1. 名詞
    不為​人知​,​係​事件​背後操​縱​嘅​人
    person who manipulates somebody or something from behind the scene, literally "black hand"
    • 幕後黑手
      幕后黑手
      a person who manipulates everything from behind the scenes

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Jyutping hak1 sau2
Pinyin hēi shǒu

Definitions (CC-CEDICT)
  1. (fig.) malign agent who manipulates from behind the scenes
  2. hidden hand
  3. (Tw) mechanic
  4. blue-collar worker
  5. manual laborer
Definitions (CC-CANTO)
  1. a person who manipulates everything behind the scenes
Definitions (粵典–words.hk)
  1. 名詞
    不為​人知​,​係​事件​背後操​縱​嘅​人
    person who manipulates somebody or something from behind the scene, literally "black hand"
    • 幕後黑手
      幕后黑手
      a person who manipulates everything from behind the scenes
Definitions (Wiktionary)
  1. noun, Taiwan
    mechanic
  2. noun
    evil backstage manipulator; black hand
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Definitions (HSK3.0)
  1. HSK3 七一九级词汇表 #1645
Definitions (兩岸三地生活差異詞語彙編—Two Shores Three Places)
  1. 臺陸用法和差異
    「​黑手​」​通常​只​暗中​從事​陰謀活動​,​或​在​背後​進行​策劃​、​指揮​、​操縱​陰謀活動​的​人​或​勢力​,​如​:​警方​正在​調查​這些​詐騙案​的​幕後​黑手​。​而​臺灣​經常​把​從事​機械​或​汽機​車​修理​的​工人​、​技術人員​,​稱為​「​黑手​」​,​例如​:​別​小看​這些​汽車​黑手​,​沒有​他們​,​你​的​車壞​了​就​沒人修​。
Examples (粵典–words.hk)
  1. Cantonese
    幕后黑手到底系边个呢?
    幕後黑手到底係邊個呢?
    mok6 hau6 hak1 sau2 dou3 dai2 hai6 bin1 go3 ne1?
    • Who's the person behind the plot?
  2. Cantonese
    幕后黑手
    幕後黑手
    • a person who manipulates everything from behind the scenes