幫口 [帮－]

Jyutping bong1 hau2
Pinyin bāng kǒu

Definitions (CC-CANTO)
  1. to help by saying something
Definitions (粵典–words.hk)
  1. 動詞
    幫一個​人講​好​説​話
    to say something nice for someone
    • 阿媽係噉喺度鬧我，你快啲出句聲，幫下口啦！
      阿妈系噉喺度闹我，你快啲出句声，帮下口啦！
      aa3 maa1 hai6 gam2 hai2 dou6 naau6 ngo5, nei5 faai3 di1 ceot1 geoi3 seng1, bong1 haa5 hau2 laa1!
      Mom has scolded me for a while. You should speak out and say something nice for me!
Definitions (Wiktionary)
  1. verb, Cantonese
    to help someone express oneself; to argue for someone; to say something to help
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）
  2. 幫腔 – 帮腔
  3. 幫忙說話 – 帮忙说话