重聲 [－声]

Jyutping cung4 seng1
Pinyin zhòng shēng

Definitions (Wiktionary)
  1. noun
    the nặng ("heavy") tone of Vietnamese
Examples (粵典–words.hk)
  1. Cantonese
    郑重声明
    鄭重聲明
    zeng6 zung6 sing1 ming4
    • to solemnly declare