Among them, the "canal" is him; Ling Hua is the Ling Hua Classic.
This is said in the tone of a woman looking forward to her husband, which means "I ask people about him in Chang 'an every day, but there is always no reply." All kinds of boredom can only be spent in front of the mirror; Suddenly I heard that there was a letter from him, and I was finally happy and beaming. "