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Jyutping lou5 ngau2
Pinyin lǎo niú

Definitions (粵典–words.hk)
  1. 名詞
    牛仔​褲​(​量​詞​:​條​)
    jeans
    • 穿窿嘅老牛
      穿窿嘅老牛
      ripped jeans
  2. 名詞
    牛肉​刀​(​量​詞​:​把​)
    beef knife
    • 我左青龍,右白虎,老牛在腰間,龍頭在胸口,人擋殺人,佛擋殺佛!
      我左青龙,右白虎,老牛在腰间,龙头在胸口,人挡杀人,佛挡杀佛!
      I've tattooed a dragon on my left arm, a tiger my right, a dragon head my chest. Whoever tries to stop me, I will kill him with the beef knife hanging on my belt!

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Jyutping lou5 ngau4
Pinyin lǎo niú

Definitions (粵典–words.hk)
  1. 名詞
    年老​嘅​牛
    an old cow or bull
    • 佢老牛咁嘅聲都可以出到唱片,真係豬乸會上樹!
      佢老牛咁嘅声都可以出到唱片,真系猪乸会上树!
      keoi5 lou5 ngau4 gam2 ge3 seng1 dou1 ho2 ji5 ceot1 dou2 coeng3 pin2, zan1 hai6 zyu1 naa2 wui5 soeng5 syu6
      How unbelievable that he released a record while he sounds like an old cow!
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    老牛吃嫩草。
    老牛吃嫩草。
    lǎo niú chī nèn cǎo 。
    • Old women like dating young men.
    • An old husband has a wife far younger than him.
Examples (粵典–words.hk)
  1. Cantonese
    佢老牛咁嘅声都可以出到唱片,真系猪乸会上树!
    佢老牛咁嘅聲都可以出到唱片,真係豬乸會上樹!
    keoi5 lou5 ngau4 gam2 ge3 seng1 dou1 ho2 ji5 ceot1 dou2 coeng3 pin2, zan1 hai6 zyu1 naa2 wui5 soeng5 syu6
    • How unbelievable that he released a record while he sounds like an old cow!
  2. Cantonese
    穿窿嘅老牛
    穿窿嘅老牛
    • ripped jeans
  3. Cantonese
    我左青龙,右白虎,老牛在腰间,龙头在胸口,人挡杀人,佛挡杀佛!
    我左青龍,右白虎,老牛在腰間,龍頭在胸口,人擋殺人,佛擋殺佛!
    • I've tattooed a dragon on my left arm, a tiger my right, a dragon head my chest. Whoever tries to stop me, I will kill him with the beef knife hanging on my belt!
Examples (Wiktionary)
  1. Mandarin
    另外一个老牛吃嫩草不会有好下场的原因是年龄的代沟。
    另外一個老牛吃嫩草不會有好下場的原因是年齡的代溝。
    lìng wài yī ge lǎo niú chī nèn cǎo bù huì yǒu hǎo xià chǎng de yuán yīn shì nián líng de dài gōu .
    • Another reason why robbing the cradle end badly is because of the generation gap.