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Jyutping zi1 m4 hai6
Pinyin zhī wú xì

Definitions (粵典–words.hk)
  1. 副詞
    表示​「​咪​就​係​」​嘅​意思​,​帶​有​嗰​樣​嘢​應​該​好​明​顯​甚至​應該​一​早知​嘅​意味​;​句​尾​通常​同助​詞​「​囉​」​、​「​之​嘛​」​一齊用
    "that's it", "it's ... who/which ...", with a connotation that it should be obvious or even should have been known; often used with particles 囉 lo1 or 之嘛 zaa1maa3
    • 之唔係佢問個囉。
      之唔系佢问个啰。
      zi1 m4 hai6 keoi5 man6 go3 lo1.
      It was him who asked it.
    • 呢,之唔係呢條友囉。
      呢,之唔系呢条友啰。
      le1, zi1 m4 hai6 ni1 tiu4 jau2 lo1.
      Hey, it's this dude.
    • 邊個想打邊爐?之唔係我喳嘛。
      边个想打边炉?之唔系我喳嘛。
      bin1 go3 soeng2 daa2 bin1 lou4? zi1 m4 hai6 ngo5 zaa1 maa3.
      Who wants to have hot-pot? That's me.
    • 之唔係呢單嘢難搞囉。
      之唔系呢单嘢难搞啰。
      zi1 m4 hai6 ni1 daan1 je5 naan4 gaau2 lo1.
      This is the stuff that is not easy to deal with.
Examples (粵典–words.hk)
  1. Cantonese
    之唔系佢问个啰。
    之唔係佢問個囉。
    zi1 m4 hai6 keoi5 man6 go3 lo1.
    • It was him who asked it.
  2. Cantonese
    呢,之唔系呢条友啰。
    呢,之唔係呢條友囉。
    le1, zi1 m4 hai6 ni1 tiu4 jau2 lo1.
    • Hey, it's this dude.
  3. Cantonese
    边个想打边炉?之唔系我喳嘛。
    邊個想打邊爐?之唔係我喳嘛。
    bin1 go3 soeng2 daa2 bin1 lou4? zi1 m4 hai6 ngo5 zaa1 maa3.
    • Who wants to have hot-pot? That's me.
  4. Cantonese
    之唔系呢单嘢难搞啰。
    之唔係呢單嘢難搞囉。
    zi1 m4 hai6 ni1 daan1 je5 naan4 gaau2 lo1.
    • This is the stuff that is not easy to deal with.