What idiom does it stand for

Four seasons and eight festivals (four seasons and eight festivals)

[Interpretation] Four seasons: refers to the four seasons of spring, summer, autumn and winter; Eight solar terms: beginning of spring, vernal equinox, long summer, summer solstice, beginning of autumn, autumnal equinox, beginning of winter and winter solstice. Generally refers to the solar terms throughout the year.

[Language] Tang Ma's "Yilin" volume 1 quotes "Sui Chaozi": "Ghosts and gods are four seasons and eight festivals to discipline people." Tang Du Fu's poem "Four Brothers Short Song": "Four seasons and eight festivals, polite, women worship their brothers, wives and men."

[Structure] Combined type; As subject, object and attribute; Refers to the season.