Idioms describing beginning of autumn

The golden wind is cool, the weather is sunny, and the autumn frost is late in autumn, which is quite crucial.

First, the golden wind is cool? [jīn fēng sòng Shuang]？

Explanation: Golden wind: autumn wind. In ancient times, the seasons were explained by yin and yang and five elements, and autumn was golden. Autumn wind brings coolness.

From: Lu Xun's Merry Christmas in Hong Kong: "The golden wind sends cool, and the cool dew surprises the autumn."

Second, the sky is clear and clear [ti ā n l m: ng q: q and ng]?

Commentary: Lang: Clear. Describe the clear sky and fresh air.

From: Preface to the Orchid Pavilion by Wang Jinxi: "It's a sunny day, the sky is high and the clouds are light, and the wind is beautiful. You can look up at the vastness of the universe and overlook the prosperity of various categories."

Example: Xu Ming Lin Zhong's Romance of the Gods 98: "The sky is clear, the wind is clear and the gas is positive. It is really a prosperous time, a peaceful scene, and naturally different."

Third, quite picky? 【yīyèzh qi】？

Commentary: From the falling of a leaf, we know the arrival of autumn. Metaphor through individual subtle signs, we can see the development trend and results of the whole situation.

Said by: "Huai Nan Zi said the mountain sermon": "When you see a leaf fall, you know that a year is over." Song Tang Geng's Luwen quoted a poem from the Tang Dynasty: "A monk in one mountain doesn't know the number of Jia Zi, but a leaf falls on the earth."