What does it mean to cut crops and feed them to old cows when they are not exposed to the sun in summer?

"Don't show up in summer, cut and feed the old cows" means that the crops are not long or grow too slowly, and there is no hope of a bumper harvest.

There is a poem in "Fan Chengda" that says, "But when Xia Guang retreats, old age is like a tide." It is to regard the summer heat as an enemy, which is a kind of "contradiction between the enemy and ourselves." I hope the weather will cool down soon, so I will press the "fast forward button" of time to accelerate aging.

In the north, when the summer heat comes and the summer heat subsides, people begin to consider changing clothes in different seasons. In the Eastern Han Dynasty, the "Four-person Moon Order" said: "Celebrate the old in summer and make new ones in autumn to keep out the cold." The white dew proverb says, "The white dew is not exposed." It is said that the weather is so bad that you can wear clothes and ears. "So, from summer to the millennium, great changes have taken place in people's daily life, from being busy wiping sweat to being busy adding clothes.