……到唔…… [－－－－－－]

Jyutping … … dou3 m4 … …
Pinyin …… dào wú ……

Definitions (Wiktionary)
  1. phrase, Cantonese
    very; extremely
    • 黑到唔黑
      黑到唔黑
      haak1 dou3 m4 haak1
      extremely black; very dark