[----]

Jyutping hung3 tong4 daai6 siu3
Pinyin hōng táng dà xiào

Definitions (粵典–words.hk)
  1. 語句
    大家​一齊​大笑
    all people laugh

[----]

Jyutping hung6 tong4 daai6 siu3
Pinyin hōng táng dà xiào

Definitions (CC-CEDICT)
  1. the whole room roaring with laughter (idiom)
Definitions (Wiktionary)
  1. phrase, idiomatic
    the whole room bursts into laughter simultaneously
Examples (粵典–words.hk)
  1. Cantonese
    哄堂大笑
    哄堂大笑
    hung3 tong4 daai6 siu3
    • all people laugh