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Jyutping daai6 sing1 gung1
Pinyin dà shēng gōng

Definitions (Wiktionary)
  1. noun, Cantonese
    megaphone; bullhorn

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Jyutping daai6 seng1 gung1
Pinyin dà shēng gōng

Definitions (CC-CANTO)
  1. a bullhorn; someone who is very loud and always shout
Definitions (粵典–words.hk)
  1. 名詞
    即​係​擴音器​,​將聲音​放大​嘅​工具​,​特別​係​圓錐​形​嗰​款​,​可以​係​手持​或者​坐地​(​量​詞​:​個​)
    loud hailer; megaphone
    • 訓導老師朝朝都拎住個大聲公落操場。
      训导老师朝朝都拎住个大声公落操场。
      fan3 dou6 lou5 si1 ziu1 ziu1 dou1 ling1 zyu6 go3 daai6 seng1 gung1 lok6 cou1 coeng4.
      The discipline teacher carries a megaphone with her every morning.
  2. 名詞
    講​嘢​音量​好​大​嘅​人​(​量​詞​:​個​)
    person who has a loud voice
    • 嗰個大聲公其實好細心。
      𠮶个大声公其实好细心。
      go2 go3 daai6 seng1 gung1 kei4 sat6 hou2 sai3 sam1.
      That loud-mouthed man is actually very attentive.
Definitions (Kaifangcidian)
  1. 大嗓門 – 大嗓门
  2. 大嗓門兒 – 大嗓门儿
  3. 揚聲器 – 扬声器
  4. 擴音器 – 扩音器
  5. 手提揚聲器 – 手提扬声器
Examples (粵典–words.hk)
  1. Cantonese
    训导老师朝朝都拎住个大声公落操场。
    訓導老師朝朝都拎住個大聲公落操場。
    fan3 dou6 lou5 si1 ziu1 ziu1 dou1 ling1 zyu6 go3 daai6 seng1 gung1 lok6 cou1 coeng4.
    • The discipline teacher carries a megaphone with her every morning.
  2. Cantonese
    𠮶个大声公其实好细心。
    嗰個大聲公其實好細心。
    go2 go3 daai6 seng1 gung1 kei4 sat6 hou2 sai3 sam1.
    • That loud-mouthed man is actually very attentive.