講到話 [讲－话]

Jyutping gong2 dou3 waa6
Pinyin jiǎng dào huà

Definitions (CC-CANTO)
  1. as for; with regards to
Definitions (粵典–words.hk)
  1. x
Definitions (Kaifangcidian)
  1. 至於 – 至于