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Jyutping mo2 haak1
Pinyin mō hēi

Definitions (粵典–words.hk)
  1. 副詞
    響​黑暗​嘅​環​境​之中​,​用​雙手​摸索​周圍​物件​前行
    to move around in the dark
    • 頭先停咗電啊,搞到我要摸黑落樓。
      头先停咗电啊,搞到我要摸黑落楼。
      tau4 sin1 ting4 zo2 din6 aa3, gaau2 dou3 ngo5 jiu3 mo2 hak1 lok6 lau2
      Just then there was a power cut and I had to grope my way downstairs in the dark.

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Jyutping mo2 hak1
Pinyin mō hēi

Definitions (CC-CEDICT)
  1. to grope about in the dark
Definitions (粵典–words.hk)
  1. 副詞
    響​黑暗​嘅​環​境​之中​,​用​雙手​摸索​周圍​物件​前行
    to move around in the dark
    • 頭先停咗電啊,搞到我要摸黑落樓。
      头先停咗电啊,搞到我要摸黑落楼。
      tau4 sin1 ting4 zo2 din6 aa3, gaau2 dou3 ngo5 jiu3 mo2 hak1 lok6 lau2
      Just then there was a power cut and I had to grope my way downstairs in the dark.
Definitions (Wiktionary)
  1. verb
    to feel a way forward in the dark; to grope around looking for a way forward in the dark
    (syn.) 打暗摸
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    她摸黑摸不到灯的开关。
    她摸黑摸不到燈的開關。
    tā mō hēi mō bù dào dēng de kāi guān 。
    • She groped for the light switch in the dark.
  2. Mandarin
    孩子们不喜欢摸黑外出。
    孩子們不喜歡摸黑外出。
    hái zi men bù xǐ huan mō hēi wài chū 。
    • Children don't like to go out in the dark.
Examples (粵典–words.hk)
  1. Cantonese
    头先停咗电啊,搞到我要摸黑落楼。
    頭先停咗電啊,搞到我要摸黑落樓。
    tau4 sin1 ting4 zo2 din6 aa3, gaau2 dou3 ngo5 jiu3 mo2 hak1 lok6 lau2
    • Just then there was a power cut and I had to grope my way downstairs in the dark.