冇數 [－数]

Jyutping mou5 sou3
Pinyin mǎo shù

Definitions (Wiktionary)
  1. noun, Taiwanese-Hokkien, Xiamen, Zhangzhou
    uncollectable debts; bad debt; bad loan
    (syn.) 烂帐, 死数, 爛帳, 死數