1. Metaphor has no perseverance in study and work, and it is often interrupted and cannot be persisted for a long time.

2. Word origin: It is also assumed that coming to school is just three days of fishing, two days of sunbathing, and giving some bunch of repairing gifts to Jia Dairu for free. -the ninth time of Qing Cao Xueqin's Dream of Red Mansions.

3. Idiom story: After Xue Pan came to live in Daguan Garden from his hometown, he learned that there was a family school in Jiafu. There were many young people in the school, so he became lustful and pretended to go to school. It was just three days of fishing and two days of sunbathing. Some students in the school, Tu Xuepan's money, were caught in his boat. When Qin Zhong and Jia Baoyu came to school, Xue Pan immediately hit on them.