"The blue birds on the river are burning over the white mountains and the blue flowers are about to burn" uses (personification and exaggeration) rhetorical techniques
Extension:
The word "desire", using The anthropomorphic rhetoric method gives the flowers a swaying and dynamic character.
The word "burn" uses an exaggerated technique to describe the characteristics of the mountain flowers as red as fire, gorgeous and blooming, highlighting the strong color in the poem and forming a strong contrast with the "green" of the mountain.
"The green birds on the river are more than white, and the blue flowers on the mountains are about to burn." From (Two Quatrains of Two by Du Fu, a poet of the Tang Dynasty)
Original text:
"Two Quatrains·Part 2"
Du Fu of the Tang Dynasty
The green birds in the river are more than white, and the blue flowers in the mountains are about to burn.
This spring has come and gone, and when will it be the return year?
Notes:
Over (yú): It means getting better and getting better.
Want to burn: About to burn, here it describes the bright red color. Desire: as if.
What day: When.
Gui Nian: When going back.
Translation:
The green river water makes Wu'er's feathers whiter, the mountains are green, and the red wild flowers seem to be burning.
This spring is coming to an end again. When is the date for me to return to my hometown?