The narrative tone in the second section of "Quiet Night Thoughts" has the following changes:
1. The second sentence "It is suspected to be frost on the ground" expresses a confused look and describes what seems to be The ground is covered with cold autumn frost;
2. The third sentence "Raise your head to look at the bright moon" expresses the action of looking up at the bright moon, describing the bright moonlight shining on the distant peaks;
3. The fourth sentence "bows down and misses hometown" changes to lowering head and thinking deeply, expressing the poet's longing for his hometown.
In general, the narrative tone in the second section starts with doubts, looking up at the moon, and then looking down at my hometown. The emotions gradually deepen and the description becomes more and more delicate.