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Jyutping hou3 noi6 m4 gin3
Pinyin hǎo nài wú jiàn

Definitions (Wiktionary)
  1. phrase, Cantonese
    long time no see
    (syn.) 好久冇見, 好久不见, 好久冇见, 好耐冇見, 好久不見, 很久沒見, 很久没见, 好耐冇见

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Jyutping hou2 noi6 m4 gin3
Pinyin hǎo nài n2 jiàn

Definitions (CC-CANTO)
  1. long time no see [colloquial]