What does it mean to laugh? Chinese Interpretation of "Laughter"

Laughter is a modest expression in Chinese, which means being laughed at by others. I laughed when I couldn't sing well. Language "Zhuangzi Qiushui": "My parents laugh at home." The 42nd time of a Dream of Red Mansions: Yesterday, let me take out two sets for you to take back, or give them away, or wear them at home. Don't laugh. A Brief History of Civilization Chapter 54: Sendai is ridiculed.