Combining rigidity with softness is an idiom in China, which comes from "For Liu Jingzhou and Yuan Shangshu": "Only righteousness is the service, only the country is the health. who is it? Jin Mu is a blend of fire and water, combining rigidity with softness, and then it can be used for civilian use.
Sentence making: This one-sided play is more suitable for the disadvantaged. Can ease the opponent's attack, attack the opponent's weakness from the side, and be both rigid and flexible.