反調 [－调]

Jyutping faan2 diu6
Pinyin fǎn diào

Definitions (Wiktionary)
  1. noun
    opposite view; opposing opinion
Examples (粵典–words.hk)
  1. Cantonese
    佢真系好灯㗎，同佢唱反调就一定有运行。
    佢真係好燈㗎，同佢唱反調就一定有運行。
    keoi5 zan1 hai6 hou2 dang1 gaa3, tung4 keoi5 coeng3 faan2 diu6 zau6 jat1 ding6 jau5 wan6 haang4.
    • He's so bad at making predictions. You'll always succeed if you go the opposite way as him.