Don't make fun of others What is an idiom?

Light tongue and thin pinyin: k ǒ u q and ng shé bó

Explanation: describe meanness.

Source: "Rain Flower in the Sky" 25: "Who has been unkind since childhood?"

Synonym: pot calling the kettle black

Yuan Sheng drums, weapons company, leave armor behind, or stop at a hundred steps, or stop at fifty steps. What if the pot is too black? King Hui Liang of Mencius explained that people who retreat fifty steps in a battle will laugh at those who retreat a hundred steps. Metaphorically, they have the same shortcomings and mistakes as others, only to a lesser extent, but they laugh at others without knowing it.