What do you mean by "essence, qi, spirit, quickness, accuracy and fierceness" in Sanda?

Spirit refers to spirit: giving mental pressure to your opponent during physical rest ~ This is impossible to practice ~ You have to be born with a strong talent ~ God: concentration, calmness, correct analysis of your opponent's state, and appropriate attack methods. There is still enough time to analyze the opponent's heart rate and body swing. Jing: I have enough energy to spend with my opponent in a highly concentrated state ~ (the most unreliable practice method is to stay up late ... ╭ (╯ ╰) ╮)