Triaxial metaphor means that there are not many ways to solve problems, but they are very useful. It also means that there are no successful players. People often say that Cheng's "three axes" means that he looks fierce, but in fact he has no tricks, as if he has run out of tricks.

The story of Cheng's Three Axes originated from Shuo Tang. In the book, Cheng met his master in his dream. He was awakened when he was learning axe, and only learned three tricks. These three moves are still very powerful.

Cheng introduced three axes:

1, Cheng's unique trick, three tricks are called: splitting the head, ghost picking teeth, and ear plucking (version1); Pick out ears, eyes and teeth (2nd edition).

2. Cheng has always been a general in history, and his martial arts is not so bad. The meaning of three-degree axe actually means that Cheng can dance the Bagua Xuanhua axe in his hand with a force of more than 80 kilograms. At first glance, it looks like three axes waving at the same time, which is dazzling.

3. Cheng's theory of three-degree chopping axe came from this.

Refer to the above? Baidu encyclopedia-three axes