1. The war rages on for three months, and a letter from home is worth ten thousand pieces of gold. This poem uses the rhetorical technique of duality.
2. Lian March wrote about the length of the war, which is rare for a monk's letter worth ten thousand gold. It vividly expresses the author's disgust for the war and his desire to get news from his family.
3. The meaning of this sentence is that the country is in turmoil, wars continue for years, people’s wives are separated, and messages are blocked. It is especially valuable to receive letters from home at this time.
4. The poet reflects from the side the great pain that the war has brought to the people and the people's eagerness to know whether their relatives are safe or not during the turmoil.
5. At the same time, it is also difficult to obtain family letters to express the poet's deep concern for the country.