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Jyutping hoi1 daan1
Pinyin kāi dān

Definitions (CC-CEDICT)
  1. to bill
  2. to open a tab
Definitions (粵典–words.hk)
  1. 動詞
    提供​收據​,​收據​可以​係​手​寫​或者​列印
    to write an invoice; to issue a receipt
    • 呢餐入公司數嘅,唔該開張單俾我喇。
      呢餐入公司数嘅,唔该开张单俾我喇。
      I'll claim this meal from company expenses, can you please give me a receipt?
Examples (粵典–words.hk)
  1. Cantonese
    佢做上线嘅,底下啲人开单佢都有钱分㗎。
    佢做上線嘅,底下啲人開單佢都有錢分㗎。
    keoi5 zou6 soeng6 sin3 ge3, dai2 haa6 di1 jan4 hoi1 daan1 keoi5 dou1 jau5 cin2 fan1 gaa3.
    • He is an upper tier. He receives a share if his subordinates strike a deal.