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Jyutping sai3 jat1
Pinyin shì yī

Definitions (粵典–words.hk)
  1. 名詞、潮語
    世界​第一​嘅​縮​略​;​用​嚟​讚​美​所​鍾​意​嘅​人​或者​事物
    a term to praise one's favourite, short for "world number one" 世界第一 sai3 gaai3 dai6 jat1
    • 香港運動員世一!
      香港运动员世一!
      hoeng1 gong2 wan6 dung6 jyun4 sai3 jat1!
      Hong Kong athletes are the best!
    • 呢度啲蛋撻絕對係世一,冇可能唔係世一!
      呢度啲蛋挞绝对系世一,冇可能唔系世一!
      ni1 dou6 di1 daan6 taat1 zyut6 deoi3 hai6 sai3 jat1, mou5 ho2 nang4 m4 hai6 sai3 jat1!
      Egg tarts here are definitely the best—they must be!
    • 香港永遠係我哋心目中嘅世一 。
      香港永远系我哋心目中嘅世一 。
      hoeng1 gong2 wing5 jyun5 hai6 ngo5 dei6 sam1 muk6 zung1 ge3 sai3 jat1.
      Hong Kong is always the best in our minds.
    • 以後或者有另一個世一出現,但呢刻,呢齣戲就係我嘅世一。
      以后或者有另一个世一出现,但呢刻,呢出戏就系我嘅世一。
      ji5 hau6 waak6 ze2 jau5 ling6 jat1 go3 sai3 jat1 ceot1 jin6, daan6 ni1 haak1, ni1 ceot1 hei3 zau6 hai6 ngo5 ge3 sai3 jat1.
      There may be another favourite in the future, but as of now, this movie is the one I like best.
Definitions (Wiktionary)
  1. noun, Cantonese, Hong-Kong, neologism
    number one
Examples (粵典–words.hk)
  1. Cantonese
    香港运动员世一!
    香港運動員世一!
    hoeng1 gong2 wan6 dung6 jyun4 sai3 jat1!
    • Hong Kong athletes are the best!
  2. Cantonese
    呢度啲蛋挞绝对系世一,冇可能唔系世一!
    呢度啲蛋撻絕對係世一,冇可能唔係世一!
    ni1 dou6 di1 daan6 taat1 zyut6 deoi3 hai6 sai3 jat1, mou5 ho2 nang4 m4 hai6 sai3 jat1!
    • Egg tarts here are definitely the best—they must be!
  3. Cantonese
    香港永远系我哋心目中嘅世一 。
    香港永遠係我哋心目中嘅世一 。
    hoeng1 gong2 wing5 jyun5 hai6 ngo5 dei6 sam1 muk6 zung1 ge3 sai3 jat1.
    • Hong Kong is always the best in our minds.
  4. Cantonese
    以后或者有另一个世一出现,但呢刻,呢出戏就系我嘅世一。
    以後或者有另一個世一出現,但呢刻,呢齣戲就係我嘅世一。
    ji5 hau6 waak6 ze2 jau5 ling6 jat1 go3 sai3 jat1 ceot1 jin6, daan6 ni1 haak1, ni1 ceot1 hei3 zau6 hai6 ngo5 ge3 sai3 jat1.
    • There may be another favourite in the future, but as of now, this movie is the one I like best.
  5. Cantonese
    佢喺孤儿院长大,对自己嘅身世一无所知。
    佢喺孤兒院長大,對自己嘅身世一無所知。
    keoi5 hai2 gu1 ji4 jyun2 zoeng2 daai6, deoi3 zi6 gei2 ge3 san1 sai3 jat1 mou4 so2 zi1.
    • He grew up in the orphanage, knowing nothing about his own background.