"The Moon of Qin Dynasty was broken in Han Dynasty" cannot be understood as the Moon of Qin Dynasty was broken in Han Dynasty. Here, Qin, Han, Guan and Yue are used alternately, which is called intertextuality in rhetoric, meaning bright moon in Qin and Han dynasties and Guan in Qin and Han dynasties. The poet hinted that the war here has never stopped since Qin and Han dynasties, highlighting the long time.
Extended data
The Creative Background of Out of the Fortress
Wang Changling wrote "Out of the Great Wall" when he went to the Western Regions in his early years. Wang Changling lived in the prosperous Tang Dynasty, so in his frontier poems, he can show passionate upward spirit and strong self-confidence in defeating the enemy. However, frequent border wars have also overwhelmed the people and longed for peace, and "Out of the fortress" reflects the people's desire for peace.