數黑論黃 [数－论黄]

Jyutping sou2 hak1 leon6 wong4
Pinyin shǔ hēi lùn huáng

Definitions (CC-CEDICT)
  1. to enumerate what is black and yellow (idiom); to criticize sb behind his back to incite quarrels
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）