Bao Zhao is different from Xie Lingyun and Yan Yanzhi who were born in the nobility. Faced with the depression of life and the threat of those in power, he dared not express his dissatisfaction in a big way, so he had to use "Dai".
He studied the form of folk Yuefu, expressed his repressed life experience, especially his seven words "It's difficult to do things", and expressed his resentment against the poor, with a strange, sharp and dangerous style.
Do you see it?