絕無僅有 [绝无仅－]

Jyutping zyut6 mou4 gan2 jau5
Pinyin jué wú jǐn yǒu

Definitions (CC-CEDICT)
  1. one and only (idiom); rarely seen
  2. unique of its kind
Definitions (粵典–words.hk)
  1. 語句
    唯一​；​只有​呢​一個
    one and the only one; unique; rare
    • 呢粒係世上絕無僅有嘅完美寶石。
      呢粒系世上绝无仅有嘅完美宝石。
      ni1 nap1 hai6 sai3 soeng6 zyut6 mou4 gan2 jau5 ge3 jyun4 mei5 bou2 sek6.
      This precious stone is one of a kind. It's perfect!
Definitions (Wiktionary)
  1. phrase, idiomatic
    only one of its kind; unique
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）
Examples (粵典–words.hk)
  1. Cantonese
    绝无仅有
    絕無僅有
    zyut6 mou4 gan2 jau5
    • extremely rare; singular
  2. Cantonese
    呢粒系世上绝无仅有嘅完美宝石。
    呢粒係世上絕無僅有嘅完美寶石。
    ni1 nap1 hai6 sai3 soeng6 zyut6 mou4 gan2 jau5 ge3 jyun4 mei5 bou2 sek6.
    • This precious stone is one of a kind. It's perfect!