Common images in ancient poetry 1. Writing: "Book of the Later Han Dynasty" records: Ban Chao came from a poor family and made a living by copying documents for the government. He once lamented in writing that he would follow the example of Fu Jiezi and Zhang Qian in their meritorious service on the border and gain titles and titles. Later, "throwing a pen" meant abandoning literature and embracing martial arts. For example, Xin Qiji's "Shui Diao Ge Tou": If you don't learn Ban Chao's writing, even if you are a prince thousands of miles away, you will be haggard in Bianzhou. 2. Great Wall: "The Biography of Tan Daoji in Southern History". Tan Daoji was a general in the Southern Song Dynasty. He had great power and was jealous of the emperor and his ministers. Later, when Emperor Wen of the Song Dynasty took the opportunity to kill him, Tan Daoji said angrily: "I am destroying your Great Wall!" Later, he used "Great Wall" to refer to the generals guarding the border. For example, Lu You's "Book of Indignation": "I have blocked the Great Wall for a long time, and my hair is already stained in the mirror." 3. Loulan: "Book of Han" records that King Loulan was greedy for money and killed Han envoys to the Western Regions many times. Later, Fu Jiezi was sent as an envoy to the Western Regions to plan to kill King Loulan and make meritorious service to the country. From then on, poets often used "Loulan" to refer to enemies on the border, and "broken (killed) Loulan" to refer to achievements.