This word is: 色
The meaning of 色笑: refers to a pleasant attitude. The language version "Poetry." Lu Song. "Panshui": "Smiling with color brings anger to the Islamic religion." Zheng Xuan's note: "Laughing with colors does not lead to anger, so it leads to enlightenment."
Grandma Liu's scene in Dream of Red Mansions Thirty-ninth, the old woman went back to the village to lie, talk, smile, and the fool was really looking for traces