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Jyutping mut3 haak1
Pinyin mǒ hēi

Definitions (粵典–words.hk)
  1. 動詞
    歪曲​事實​嚟​傷害​對​方聲譽
    to discredit; to smear
    • 佢鐘意講人是非,好多人都俾佢抹黑㗎。
      佢钟意讲人是非,好多人都俾佢抹黑㗎。
      keoi5 zung1 ji3 gong2 jan4 si6 fei1, hou2 do1 jan4 dou1 bei2 keoi5 mut3 hak1 gaa3.
      He likes to gossip about people, many people have been discredited by him.

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Jyutping mut3 hak1
Pinyin mǒ hēi

Definitions (CC-CEDICT)
  1. to discredit
  2. to defame
  3. to smear sb's name
  4. to bring shame upon (oneself or one's family etc)
  5. to blacken (e.g. commando's face for camouflage)
  6. to black out or obliterate (e.g. censored words)
Definitions (粵典–words.hk)
  1. 動詞
    歪曲​事實​嚟​傷害​對​方聲譽
    to discredit; to smear
    • 佢鐘意講人是非,好多人都俾佢抹黑㗎。
      佢钟意讲人是非,好多人都俾佢抹黑㗎。
      keoi5 zung1 ji3 gong2 jan4 si6 fei1, hou2 do1 jan4 dou1 bei2 keoi5 mut3 hak1 gaa3.
      He likes to gossip about people, many people have been discredited by him.
Definitions (Wiktionary)
  1. verb, transitive
    to discredit; to defame; to blacken (something's reputation)
    (syn.) 抹乌, 抹烏
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Examples (粵典–words.hk)
  1. Cantonese
    抹黑
    抹黑
    • to smear
  2. Cantonese
    佢钟意讲人是非,好多人都俾佢抹黑㗎。
    佢鐘意講人是非,好多人都俾佢抹黑㗎。
    keoi5 zung1 ji3 gong2 jan4 si6 fei1, hou2 do1 jan4 dou1 bei2 keoi5 mut3 hak1 gaa3.
    • He likes to gossip about people, many people have been discredited by him.
Examples (Wiktionary)
  1. Mandarin
    “看到(抹黑偶像的帖子)转发、点赞、评论(数量)达标的,马上覆制链接,用‘权证链’存证,我们要用法律武器保护他,我们都要做肖战的虾虾!”
    “看到(抹黑偶像的帖子)轉發、點贊、評論(數量)達標的,馬上覆制鏈接,用‘權證鏈’存證,我們要用法律武器保護他,我們都要做肖戰的蝦蝦!”
    “ kàn dào ( mǒ hēi ǒu xiàng de tiě zi ) zhuǎn fā , diǎn zàn , píng lùn ( shù liàng ) dá biāo de , mǎ shàng fù zhì liàn jiē , yòng ‘ quán zhèng liàn ’ cún zhèng , wǒ men yào yòng fǎ lǜ wǔ qì bǎo hù tā , wǒ men dōu yào zuò xiào zhàn de xiā xiā ! ”
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