The clouds are hidden, and the old porcelain is foggy.
But look at the breeze and red leaves, and the early rain surrounds the flowers.
This is a poem describing the characteristics of blue and white porcelain.
The first two sentences describe the porcelain quality of blue-and-white porcelain, which is as clear as sunshine passing through clouds, and the quaint porcelain surface is like rain and fog after the first auspicious day, with a faint cyan in the haze.
The last two sentences describe the beauty of porcelain patterns.