Eternal life will eventually end, and this hatred will last forever; it means remembering the lingering love of the past, lamenting that happiness will not last long, and having to say goodbye to Yang Guifei in life and death, the days to come will be full of hatred and very painful.
In the sky, I wish to be a winged bird, and on the ground, I wish to be a Lianlizhi: Lianlizhi, Biwingbird. Lianlizhi refers to two trees growing together. The biwing bird is a legendary bird in which the male and female always fly together. It is used as a metaphor for a loving couple in classical poetry. According to legend, in the old China, King Kang of Song Dynasty took away the wife of his attendant Han Ping and imprisoned Han Ping. Han committed suicide. His wife rotted her clothes. She threw herself off the stage while playing with King Kang. Everyone pulled his clothes, but he fell down and died. He left a suicide note saying that he was buried with Han Ping. However, King Kang buried him with Han Ping. They were buried in two places. Soon, a catalpa tree grew on each of the two tombs. It grew very large in ten days. The roots and branches of the two trees were intertwined. There was a pair of mandarin ducks on the trees, screaming at each other.
We are both fallen people in the world, so why should we know each other before we meet: It means that we are all fallen people in this world. Now that we meet, no matter whether we have known each other before, we will feel the same sympathy and support each other. So why should we care whether we have known each other before? What?