One day, Mu Ying said to Li Wenqian, "Uncle Li, I will show you Gongsun Yuenu's swordsmanship." "Don't worry, nephew," said Li Wenqian. "It's not too late for you to perform when you're fully recovered." "My body has completely recovered," said Mu Ying. "I've practiced my sword secretly. It doesn't matter." "That's all right," said Li Wenqian. "Let's wait until tomorrow. We'll choose a quiet...