What do you mean by four doors?
Four Buddhist Scriptures: Is there Sakyamuni? (Sudoku Prince) There are four legends about becoming a monk under the influence of the Emperor of Heaven. Selected Works of Wang Wei: "There are four schools in Yin Jian, and you are six years old." ? Shan Li? Quoting Ruiying Jing, he said: "From the 14th day of the reign of the Prince, Wang set out and then went out of the east gate of the city. The Emperor of Heaven became a patient and got into the car, mourning that life was like this.
When the prince went out of the south gate, the emperor became an old man and returned to the car, eager for Ding Zhuang's life to come soon. When the prince went out of the west gate of the city, the emperor became a dead man and returned to the car, thinking that there were three sufferings in the world. When the prince went out of the north gate, the Emperor of Heaven became a Samana, and the prince said,' Good, only quick.' That is, get back in the car and see the road clearly. I shouldn't be at home. "
Geomantic terminology. Four gates: Tianmen, Dihu, Ghost Gate and Human Gate. Tianmen in the northwest, Dihu in the southeast, Manmen in the southwest and the gate of hell in the northeast.
Wushu nouns. The posture of sticking or punching a knife. The four doors require fast action, fists and feet, continuous chain, subtle potential, luck, strength, voice, bright colors, clear action, chic and changeable pace, mostly short hands, especially suitable for melee.
The second episode of "Negative Exposure Chat": "Because he opened four doors well, he was appreciated by the young master who advertised for a battalion officer, and he was given a supplement and eight military awards." See Within Four Doors.