The first couplet depicts the image of a travel-stained traveler in a simple way. He wears a hat, walks a winding road and wears dirty clothes.
Zhuan Xu is full of feelings in the scenery, describing the cold and poverty wherever he goes; The Neck Couplet used the allusions of Zhuang Zhou and become a butterfly to express the author's disappointment about life.
William expressed his feelings of wandering overseas and missing his hometown through rare letters from home.