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Jyutping daai6 se2 sou3 zi6
Pinyin dà xiě shù zì

Definitions (粵典–words.hk)
  1. 名詞
    一套​筆劃​多​啲​嘅​特殊​記數漢字​,​因為​筆劃​繁​複​,​唔​易塗​改​,​日常​寫​單據​、​支票​嘅​時​候​都​會​用到​。​實際​寫法​因地​而​異​,​喺​香港​係​噉​寫​嘅​:​「​零​、​壹​、​貳​/​弍​、​叁​、​肆​、​伍​、​陸​、​柒​、​捌​、​玖​、​拾​、​佰​、​仟​」
    Anti-fraud numerals; an alternative set of characters for numerals with more strokes, commonly used on receipts and cheques so as to avoid being altered. There are some variations on the choice of characters, and they are written like this in Hong Kong: 「零、壹、貳/弍、叁、肆、伍、陸、柒、捌、玖、拾、佰、仟」(0,1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 100, 1000)
Examples (粵典–words.hk)
  1. Cantonese
    支票上面,银码除咗写阿拉伯数字之外,仲要用中文大写数字或者英文写一次。
    支票上面,銀碼除咗寫阿拉伯數字之外,仲要用中文大寫數字或者英文寫一次。
    zi1 piu3 soeng6 min6, ngan4 maa5 ceoi4 zo2 se2 aa3 laai1 baak3 sou3 zi6 zi1 ngoi6, zung6 jiu3 jung6 zung1 man2 daai6 se2 sou3 zi6 waak6 ze2 jing1 man2 se2 jat1 ci3.
    • On a cheque, in addition to the Arabic numerals, you also need to write the the payable amount in either Chinese anti-fraud numerals or English.