搞三搞四 [－－－－]

Jyutping gaau2 saam1 gaau2 sei3
Pinyin gǎo sān gǎo sì

Definitions (CC-CANTO)
  1. do some wicked activities (i.e. affair with women)
Definitions (粵典–words.hk)
  1. 動詞
    搞事​；​做​一​啲​事​去​引起​麻煩​、​爭端
    to cause trouble; to stir conflicts or trouble in a group
  2. 動詞
    周圍​搞​性關​係
    to frequently have casual sex; to be promiscuous
  3. 參看
    攪三攪四
Definitions (Wiktionary)
  1. phrase, idiomatic
    to do something shady; to have illicit relationships