Lagerstroemia speciosa is inferior.

Moved to China, I was born, and I was promoted. Ride the dustpan tail again, and the tears in the ruling and opposition parties are empty.

The literal meaning of these poems is:

The protagonist in the poem has been relegated for many times, and later he was promoted to an important position (Qian Teng: soaring; Wei Zi: The constellations, eight in the east and seven in the west, are arranged in a row, guarding the Polaris like a city wall. There is a figurative meaning of "etiquette"). Now he's gone again (riding his tail: passing away), and all the officials and people are crying for his death.