公我贏，字你輸 [－－赢－－－输]

Jyutping gung1 ngo5 jeng4 ， zi6 nei5 syu1
Pinyin gōng wǒ yíng ， zì nǐ shū

Definitions (Wiktionary)
  1. phrase, Cantonese, derogatory, idiomatic
    one always wins; one wins in any scenario; heads I win, tails you lose