The guest is like water, easy to return to the boat and move with the current. Suddenly, I was surprised that Wu Yu came from the window of the ship, so Shanyue had hung a bow. (Ye Xie's Hakka Creek), from the words "guest" and "sorrow" in the poem, we can know that the poet has lived in another country for a long time, anxious to return. After reading the last two sentences, we can quickly understand that the poem expresses the joy of returning home.