A person in the Song

This sentence means that you should not use bizarre and unfounded speculations to guess at things that are difficult to understand.,Lü Yijian recounted the events and then asked, "Is there any way to verify this",Zhao Zheng looked at Yan Shu, and Yan Shu shook his head to signal Zhao Zheng not to speak. He then responded to Zhao Jun's words with a "Yes, would you like some water"。