Refers to spring rain and light rain, as the saying goes: a spring rain is warm. Spring rain is a gift from nature. It is timely, warm and hopeful. Han Yu's Early Spring Appears Outside Member Zhang Eighteen of the Ministry of Water: "The rain in the sky is crisp, and the grass in the distance is near." The moisture of spring rain makes the vegetation sprout and everything is full of vitality.
Du Fu's "Delighting in Rain on a Spring Night": "Good rain knows the season, and it happens in spring. Sneak into the night with the wind, moisten things silently. The wild path is dark, and the river is bright. Look at the red and wet place, Jinguancheng is heavy. " This poem has such a meaning of gentle breeze and drizzle, which is the hope of the people all year round. After all, as the saying goes, spring rain is as expensive as oil.
The drizzle symbolizes people's sadness.
Refers to autumn rain, yellow rain, night rain, etc. That is, it is heartbreaking rain, autumn plants wither and the weather turns cold. "An autumn rain and a cold." The cold of autumn rain will bring a bleak feeling to people, so autumn rain often expresses sadness. Liu Yong's "Yulinling" is like this: "Cold cicadas are sad, pavilions are late, and showers begin to rest. Farewell outside Kyoto, but not in the mood to drink, reluctant to leave, the people on board have been urging to start. Holding hands and looking at each other, tears swirled in my eyes until there were no words at last, and a thousand words stuck in my throat and I couldn't say it. Thinking of returning to the south this time, this journey is another road. Thousands of miles away, it is misty, and the night sky is a vast night fog. Affectionate feelings have been hurt since ancient times, and the autumn season is even more worthy of being left out. " Yellow rain, night rain and late spring rain often show sad emotions.