Analyze (1) the accumulation of idioms. Reluctant: I am reluctant to leave.
(2) Examine the understanding of the content of the article. Combined with "the sun is the mother of all things", she came out from the East China Sea to visit her children all day, and now she is going to rest behind the Western Hills. ""Look, she is holding a red headscarf to say goodbye to her children. "It can be seen that the article is imaginative, imagining the sun as a mother, imagining everything in the world as a child, and imagining the sunset as a red scarf.
(3) Examine the understanding of sentence meaning. Combined with the sentence "I came out of the East China Sea, walked all day, and now I want to have a rest after I arrived at the West Mountain", we can see that this sentence describes the scene where the sun rises and sets in the west.
(4) Examine the development of thinking. Combine the content of the article and develop a reasonable imagination. Mother Sun, we will meet again tomorrow. So the answer is:
1) loathe to give up; (2)②③①;
(3)②;
Mother Sun, we will meet again tomorrow.