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Jyutping lou5 fu2 naa2
Pinyin lǎo hǔ nǎ

Definitions (粵典–words.hk)
  1. 名詞
    雌性​嘅​老虎​,​用​嚟​比喻​惡​死​嘅​女人​(​量​詞​:​隻​)
    figuratively, a tough, unyielding woman; harridan; dragon-lady; literally, tiger female
    • 屋企嗰隻老虎乸揾我,係噉先。
      屋企𠮶只老虎乸揾我,系噉先。
      uk1 kei2 go2 zek3 lou5 fu2 naa2 wan2 ngo5, hai6 gam2 sin1.
      The dragon-lady (of my home) is calling. Bye for now.
    • 你睇佢老虎乸噉,居然嫁得出喎!
      你睇佢老虎乸噉,居然嫁得出㖞!
      nei5 tai2 keoi5 lou5 fu2 naa2 gam2, geoi1 jin2 gaa3 dak1 ceot1 wo4!
      She is as tough as a female tiger. It's surprising that she managed to get married!
Definitions (Wiktionary)
  1. noun, Cantonese
    tigress
  2. noun, Cantonese
    shrewish woman; vixen; termagant
Definitions (Kaifangcidian)
  1. 母老虎

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Jyutping lou5 fu2 naa2
Pinyin lǎo hǔ ná

Definitions (CC-CANTO)
  1. (n.) a tigress; a ferocious woman, sometimes used in a humourous sense to refer to one's wife
Examples (粵典–words.hk)
  1. Cantonese
    老虎乸
    老虎乸
    lou5 fu2 naa2
    • strong woman; literally: female tiger
  2. Cantonese
    屋企𠮶只老虎乸揾我,系噉先。
    屋企嗰隻老虎乸揾我,係噉先。
    uk1 kei2 go2 zek3 lou5 fu2 naa2 wan2 ngo5, hai6 gam2 sin1.
    • The dragon-lady (of my home) is calling. Bye for now.
  3. Cantonese
    你睇佢老虎乸噉,居然嫁得出㖞!
    你睇佢老虎乸噉,居然嫁得出喎!
    nei5 tai2 keoi5 lou5 fu2 naa2 gam2, geoi1 jin2 gaa3 dak1 ceot1 wo4!
    • She is as tough as a female tiger. It's surprising that she managed to get married!