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Jyutping gam1 maan1 daa2 lou5 fu2
Pinyin jīn wǎn dǎ lǎo hǔ

Definitions (粵典–words.hk)
  1. 語句、外來語
    法文​入面​「​你好​嗎​?​」​嘅​廣​東​話​諧​音
    a joke transposition of French "Comment allez-vous?" meaning "How are you?"; literally "tonight hit tiger"

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Jyutping gam1 maan5 daa2 lou5 fu2
Pinyin jīn wǎn dǎ lǎo hǔ

Definitions (CC-CANTO)
  1. hello; how are you? (old slang)