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Jyutping hoi1 gam1 hau2
Pinyin kāi jīn kǒu

Definitions (粵典–words.hk)
  1. 動詞
    位高權​重​嘅​人​開​口​講​一​啲​有​影​響​力​嘅​説​話
    an important person to make an influential speech
    • 佢哋最聽你話,你肯開金口就一定冇問題。
      佢哋最听你话,你肯开金口就一定冇问题。
      keoi5 dei6 zeoi3 teng1 nei5 waa6, nei5 hang2 hoi1 gam1 hau2 zau6 jat1 ding6 mou5 man6 tai4.
      They always listen to you. If you ask them, there would be no problem.
  2. 動詞
    惜字如金​、​寡言​嘅​人​開​口​講​嘢​或​唱歌
    a taciturn person to speak and to sing
    • 佢平時粒聲唔出,難得今日開金口同我哋一齊討論。
      佢平时粒声唔出,难得今日开金口同我哋一齐讨论。
      keoi5 ping4 si4 lap1 seng1 m4 ceot1, naan4 dak1 gam1 jat6 hoi1 gam1 hau2 tung4 ngo5 dei6 jat1 cai4 tou2 leon6.
      He doesn't talk much usually. Today is a rare case that he discuss with us.
Examples (粵典–words.hk)
  1. Cantonese
    佢哋最听你话,你肯开金口就一定冇问题。
    佢哋最聽你話,你肯開金口就一定冇問題。
    keoi5 dei6 zeoi3 teng1 nei5 waa6, nei5 hang2 hoi1 gam1 hau2 zau6 jat1 ding6 mou5 man6 tai4.
    • They always listen to you. If you ask them, there would be no problem.
  2. Cantonese
    佢平时粒声唔出,难得今日开金口同我哋一齐讨论。
    佢平時粒聲唔出,難得今日開金口同我哋一齊討論。
    keoi5 ping4 si4 lap1 seng1 m4 ceot1, naan4 dak1 gam1 jat6 hoi1 gam1 hau2 tung4 ngo5 dei6 jat1 cai4 tou2 leon6.
    • He doesn't talk much usually. Today is a rare case that he discuss with us.
  3. Cantonese
    有请主席即席为我哋开金口。
    有請主席即席為我哋開金口。
    jau5 ceng2 zyu2 zik6 zik1 zik6 wai6 ngo5 dei6 hoi1 gam1 hau2.
    • May Chairperson sing a song or two impromptu for us.