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Jyutping cin4 mou4 gu2 jan4 , hau6 mou4 loi4 ze2
Pinyin qián wú gǔ rén , hòu wú lái zhě

Definitions (Wiktionary)
  1. phrase, idiomatic
    unprecedented and never to be duplicated; the first and the last; unmatched; unique
    (syn.) 前無古人, 空前絕後, 空前绝后, 前无古人

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Jyutping cin4 mou4 gu2 jan4 hau6 mou4 loi4 ze2
Pinyin qián wú gǔ rén , hòu wú lái zhě

Definitions (粵典–words.hk)
  1. 語句
    喺​自己​做​之前​冇​人​以​相同​程度​做過​相同​嘅​嘢​,​後​人​亦​都​繼承​唔​到​、​超越​唔​到​,​任何​時間​都​係​獨一無二
    to be unparalleled and unprecedented
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)

前無古人,後無來者 [-无---后无来-]

Jyutping
Pinyin qián wú gǔ rén , hòu wú lái zhě

Definitions (CC-CEDICT)
  1. there has never been and never will be another person like this (idiom)
  2. never done before and unlikely to be matched in the future
  3. peerless
Examples (粵典–words.hk)
  1. Cantonese
    前无古人,后无来者
    前無古人,後無來者
    cin4 mou4 gu2 jan4 hau6 mou4 loi4 ze2
    • to be unparalleled and unprecedented