1. "Waves Washing Sand, Today's North Lake Tour" is the work of Ouyang Xiu, a scholar in the Song Dynasty.
2. The first piece of the poem describes the beautiful scenery of the North Lake in spring, and then expresses feelings. The next piece tells friends to drink and persuade them to get drunk. Although heroic, it reads with heavy sadness.
3. This seemingly heroic and lax word is actually full of innumerable bitterness and bitterness, which makes people feel a heavy sadness.
