磨嘴 [－－]

Jyutping mo4 zeoi2
Pinyin mó zuǐ

Definitions (CC-CEDICT)
  1. to argue pointlessly
  2. to talk incessant nonsense
  3. to blather
Definitions (Wiktionary)
  1. verb, dialectal
    to indulge in idle talk; to argue pointlessly
  2. verb, dialectal
    to jabber; to blah
  3. verb, dialectal
    to do a lot of talking