Hitting a horse with a stone means that the horse has lost its front hoof. The idiom that a horse kneels like a stone means that the horse has lost its front hoof. The Chinese idiom Pinyin means that the front hoof bends when the horse runs, which is later extended to miscalculation and backflip.

Ex.: But as soon as he entered the city, he felt that the horse had slipped away, but he tripped over the rope.

Horses have many uses. Traditionally, they are used in agriculture, transportation, military, product production and so on. They are mainly used as livestock, for riding horses, pulling carts and carrying loads. They can play a role in war and agriculture, and can also be used as milk and meat.

Modern uses are horse racing, equestrian, sports and entertainment. , such as equestrian performances, equestrian clubs, film and television horses, celebration horses, horse racing, equestrian sports, tourist horses, wedding cars and so on. Some ponies can be used as pets.