題外話 [题－话]

Jyutping tai4 ngoi6 waa6
Pinyin tí wài huà

Definitions (粵典–words.hk)
  1. 名詞
    同正題​無​關​嘅​説​話
    subject which is not related to current topic
    • 唔好講咁多題外話，講番正題喇。
      唔好讲咁多题外话，讲番正题喇。
      m4 hou2 gong2 gam3 do1 tai4 ngoi6 waa6, gong2 faan1 zing3 tai4 laa1.
      Do not talk about so many unrelated things, let's get back to the topic.
Definitions (Wiktionary)
  1. noun
    words not related to the current discussion; digression
Examples (粵典–words.hk)
  1. Cantonese
    唔好讲咁多题外话，讲番正题喇。
    唔好講咁多題外話，講番正題喇。
    m4 hou2 gong2 gam3 do1 tai4 ngoi6 waa6, gong2 faan1 zing3 tai4 laa1.
    • Do not talk about so many unrelated things, let's get back to the topic.