Tell me about your understanding of the sentences in the text.

1. It can be seen from this sentence that although Li Dazhao was tortured by the enemy, he was still calm and kind. "Don't wear glasses" and "unkempt long hair" show that the enemy severely punished his father, "Calm" shows that his father is still strong after cruel torture, and "Kindness" fully reflects Li Dazhao's love for his loved ones.

This is the vision of Hao, the deputy battalion commander, for a bright future before the fierce battle. From this expression, we understand the great motivation of his heroic fighting and feel his heart beating for the liberation and interests of the people of China. The "dark night sky" is a real scene, which just sets off the deputy battalion commander Hao's yearning for light.