關……鳩事 [关－－鸠－]

Jyutping gwaan1 … … kau1 si6
Pinyin guān …… jiū shì

Definitions (Wiktionary)
  1. phrase, Cantonese, colloquial, vulgar
    to be none of someone's business; to have fuck all to do with someone
    (syn.) 关……屌事, 關……屌事