幕後主腦 [－后－脑]

Jyutping mok6 hau6 zyu2 nou5
Pinyin mù hòu zhǔ nǎo

Definitions (粵典–words.hk)
  1. 名詞
    喺​背​後​，​唔​俾​人察覺​咁​指揮​或者​操縱​一切​（​量​詞​：​個​）
    the master-mind, the power behind the scenes
    • 過咗十年，警察終於查到呢單兇殺案嘅幕後主腦係邊個喇！
      过咗十年，警察终于查到呢单凶杀案嘅幕后主脑系边个喇！
      gwo3 zo2 sap6 nin4, ging2 caat3 zung1 jyu1 caa4 dou2 ni1 daan1 hung1 saat3 on3 ge3 mok6 hau6 zyu2 nou5 hai6 bin1 go3 laa3!
      After 10 years of investigation, the police can finally figure out the man behind this murder case.

幕後主腦 [－后－脑]

Jyutping mok6 hau6 zyu2 nou5
Pinyin mu4hòu zhu3nǎo

Definitions (CC-CANTO)
  1. the mastermind behind the scene [written and colloquial]
Examples (粵典–words.hk)
  1. Cantonese
    过咗十年，警察终于查到呢单凶杀案嘅幕后主脑系边个喇！
    過咗十年，警察終於查到呢單兇殺案嘅幕後主腦係邊個喇！
    gwo3 zo2 sap6 nin4, ging2 caat3 zung1 jyu1 caa4 dou2 ni1 daan1 hung1 saat3 on3 ge3 mok6 hau6 zyu2 nou5 hai6 bin1 go3 laa3!
    • After 10 years of investigation, the police can finally figure out the man behind this murder case.
  2. Cantonese
    幕后主脑
    幕後主腦
    mok6 hau6 zyu2 nou5
    • the brains behind something (usually criminal); mastermind (usually criminal)