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Jyutping jat1 jat6 cin1 lei5
Pinyin yī rì qiān lǐ

Definitions (CC-CEDICT)
  1. lit. one day, a thousand miles (idiom); rapid progress
Definitions (粵典–words.hk)
  1. 形容詞
    比喻​進步​神速
    to advance at a high speed; to improve fast
    • 醫學嘅發展一日千里。
      医学嘅发展一日千里。
      ji1 hok6 ge3 faat3 zin2 jat1 jat6 cin1 lei5.
      There have been huge strides in the medical sciences.
Definitions (Wiktionary)
  1. phrase, idiomatic
    to make tremendous progress
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    电脑产业的发展一日千里。
    電腦產業的發展一日千里。
    diàn nǎo chǎn yè de fā zhǎn yī rì qiān lǐ 。
    • The development of the computer industry has been very rapid.
Examples (粵典–words.hk)
  1. Cantonese
    医学嘅发展一日千里。
    醫學嘅發展一日千里。
    ji1 hok6 ge3 faat3 zin2 jat1 jat6 cin1 lei5.
    • There have been huge strides in the medical sciences.