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Jyutping gong2 dak1 hau2 hoeng2
Pinyin jiǎng dé kǒu xiǎng

Definitions (粵典–words.hk)
  1. 語句
    講得​好​聽​、​唱高調
    something that people would like to listen
    • 你就講得口響,做唔做到又係一回事。
      你就讲得口响,做唔做到又系一回事。
      nei5 zau6 gong2 dak1 hau2 hoeng2, zou6 m4 zou6 dou3 jau6 hai6 jat1 wui4 si6.
      You are having a perfect plan, but it depends whether it is feasible or not.
Definitions (Kaifangcidian)
  1. 說得好聽 – 说得好听

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Jyutping gong2 dak1 hau2 hoeng2
Pinyin jiǎng de kǒu xiǎng

Definitions (CC-CANTO)
  1. making empty promises; exagerrating benefits (spoken)
Examples (粵典–words.hk)
  1. Cantonese
    你就讲得口响,做唔做到又系一回事。
    你就講得口響,做唔做到又係一回事。
    nei5 zau6 gong2 dak1 hau2 hoeng2, zou6 m4 zou6 dou3 jau6 hai6 jat1 wui4 si6.
    • You are having a perfect plan, but it depends whether it is feasible or not.