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Jyutping je6 ji5 gai3 jat6
Pinyin yè yǐ jì rì

Definitions (CC-CEDICT)
  1. night and day (idiom); continuous strenuous effort
Definitions (粵典–words.hk)
  1. 語句
    日頭​同​夜晚​都​冇​停過​噉​一直​做
    to do something non-stop for a period of time; to work day and night
    • 為咗應付額外嘅訂單,工人要夜以繼日噉趕工。
      为咗应付额外嘅订单,工人要夜以继日噉赶工。
      wai6 zo2 jing3 fu6 ngaak6 ngoi6 ge3 deng6 daan1, gung1 jan4 jiu3 je6 ji5 gai3 jat6 gam2 gon2 gung1.
      To deal with the extra orders, the workers need to work day and night.
  2. 近義詞
    日以繼夜
Definitions (Wiktionary)
  1. phrase, idiomatic
    day and night; round the clock
    (syn.) 無晝無暗, 日以繼夜, 无昼无暗, 日以继夜, 暝甲日, 暝拍日, 白明黑夜
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Definitions (HSK3.0)
  1. HSK3 七一九级词汇表 #4864
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    我夜以继日地读书。
    我夜以繼日地讀書。
    wǒ yè yǐ jì rì dì dú shū 。
    • I studied around the clock.
Examples (粵典–words.hk)
  1. Cantonese
    为咗应付额外嘅订单,工人要夜以继日噉赶工。
    為咗應付額外嘅訂單,工人要夜以繼日噉趕工。
    wai6 zo2 jing3 fu6 ngaak6 ngoi6 ge3 deng6 daan1, gung1 jan4 jiu3 je6 ji5 gai3 jat6 gam2 gon2 gung1.
    • To deal with the extra orders, the workers need to work day and night.