Express tenacity and vitality.
"Barley Song" is a poetic work written by Li Ao, which expresses the perseverance and tenacious vitality. The poem uses the image of barley growing tenaciously in the wind and rain, which symbolizes people's perseverance and spirit of overcoming difficulties in the face of adversity. This poem reflects the suffering and struggle in Li Ao's personal experience, and also shows his pursuit of freedom and tenacity. Through poetic expression, Li Ao conveys positive faith and strength to readers.