What does the poem Cai Wei (excerpt) express?

Picking Wei (excerpt) is a poem describing the homesickness of a frontier soldier during his service in the Western Zhou Dynasty. This poem describes his hard life in the frontier and expresses his patriotism and homesickness.

Picking Wei is one of the poems in The Book of Songs. Annotators in past dynasties have different opinions on the date of its completion. This is a famous sentence in the Book of Songs, which, like a painting, expresses the feelings of a veteran who is far away from home.