使 [--]

Jyutping sai2 ngau4
Pinyin shǐ niú

Definitions (粵典–words.hk)
  1. 動詞
    用​牛​犁田​、​耙田
    to manoeuvre a bull for ploughing

使 [--]

Jyutping si2 ngau4
Pinyin shǐ niú

Definitions (CC-CANTO)
  1. usage of cows for farming