老牛聲 [－－声]

Jyutping lou5 ngau4 seng1
Pinyin lǎo niú shēng

Definitions (CC-CANTO)
  1. a loud and harsh voice
Definitions (粵典–words.hk)
  1. 名詞
    形容​一個​人​把​聲​好​粗同​好​低沉
    deep, raspy voice; literally: old ox voice