What does the apprentice mean in the idiom "The apprentice"?

"Flying yellow" is also called "riding yellow". There are two explanations for flying yellow. One thinks that flying yellow is a kind of god horse in ancient myths and legends of China, and the other thinks that flying yellow is one of the eight wonders in the world.

"Shan Hai Jing" records: "The country of white people is in the north of Yulong, with white hair. There is a yellow riding, which looks like a fox and has horns on its back. It lived for two thousand years. According to Shan Hai Jing, Huang Fei is the name of a strange animal, similar to a horse, but more than three times larger than an ordinary horse, with horns on its head and wings on its back. Legend has it that if someone can ride this horse, he can live to be two thousand years old. It is also recorded that he rode a horse with yellow wings, which means that the Yellow Emperor ascended to heaven on this horse.

The apprentice wrote it first? The apprentice? Then I slowly wrote it? Apprentice? ,? Tengda? Actually, is it? Tengda? That is to say, horses can fly in the air, and they are the first to fly. The apprentice? With what? Tengda? Coupled with it, it is the Fu Shu Shu Cheng Nan of Han Yu in the Tang Dynasty, with clouds in it. If you fly to the yellow room, you can't control the toad. ? It expresses good hope for children, that is to say, when the horse flies, it can't see the toad on the ground. Later, it is often used to describe a sudden success and a rapid rise in official positions.

There is another legend in ancient China. It is said that there are eight best horses in the world, so they are collectively called eight horses. These eight horses were originally used by Zhou Muwang to drive, and later became synonymous with ancient horses.

Xu Beihong, a master of Chinese painting in China, likes drawing horses best. His masterpiece "Eight Horses" has become the pinnacle of all horse paintings, and flying yellow is one of the eight horses, that is, riding yellow. It is said that Fei Huang runs very fast, and he can fly when he runs. It is precisely because only the apprentice can fly, so only the apprentice can prosper, so the idiom "the apprentice" slowly appeared.