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Jyutping tung1 siu1 daat6 daan3
Pinyin tōng xiāo dá dàn

Definitions (CC-CEDICT)
  1. overnight until daybreak (idiom); all night long
  2. day and night
Definitions (粵典–words.hk)
  1. 語句
    由​夜晚​去​到​天光​、​日出​,​成晚​流流​長
    all night until daybreak; all night long
Definitions (Wiktionary)
  1. phrase, idiomatic
    all the night until daybreak
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    全体销售人员通宵达旦地工作了一周。
    全體銷售人員通宵達旦地工作了一週。
    quán tǐ xiāo shòu rén yuán tōng xiāo dá dàn dì gōng zuò le yī zhōu 。
    • The entire sales staff has worked around the clock for a week.
Examples (粵典–words.hk)
  1. Cantonese
    通宵达旦
    通宵達旦
    • to work overnight
Examples (Wiktionary)
  1. Mandarin
    通宵达旦
    通宵達旦
    tōng xiāo dá dàn
    • all the night until dawn