What does the ancient live horse mean?

1, live horse, Chinese vocabulary, originally meant live horse. However, because there is a saying that "S horse is a living horse doctor", "living horse" also refers to those people, things and things that still have a chance to save.

2. Horses are gentle; It never takes the initiative to attack humans and other animals. One of the important reasons why people can tame horses is that people's eyesight is poor, and the overlapping part of their eyes is only 30 degrees, so they have a poor stereoscopic impression on people and things, so people take advantage of this weakness of horses.