1. Rain Lane: "Rain Lane" is a frequent image in Dai Wangshu's poems, which usually represents the poet's inner loneliness and depression.
2. Lilac: "Lilac" is a common flower image in Dai Wangshu's poems, which often symbolizes the poet's inner sadness and melancholy.
The above is my interpretation of some images in this poem. I hope it helps you.