Autumn is high and the air is crisp. The pronunciation of the idiom is: qiū gāo qì shuǎng.

Explanation 1: Describes the clear skies and refreshing weather in autumn.

Source 1: I love the tranquility of the thatched cottage in Ruyu Mountain, the refreshing air of high autumn. The poem "Cui Shi Dongshan Thatched Cottage" by Du Fu of the Tang Dynasty

Example 1: Fang planned ~ and sent generals to the west. (Qing Dynasty Liang Jinzhu's "Two kinds of Qiu Yuzhu Essays·Shi Ge Bu Shu")

Source two: Tang Dynasty Du Fu's poem "Cui Shi Dongshan Thatched Cottage": "I love the tranquility of Ru Yushan's thatched cottage, the refreshing air of high autumn. ”

The synonyms are: the sky is high and the air is crisp, the autumn scenery is pleasant, the sky is high and the air is clear

The antonyms are: the autumn rain is continuous

Idiom sentences: On the crisp autumn days, my classmates and I We go to the countryside to play.