natural state; unspoilt by human touch
Idiomatic expression, originally from a quote by Su Shi. Describes the inherent beauty of nature as it is, without artificial intervention. Often used to praise simplicity or the natural order.
As the saying goes, 'willows are green, flowers are crimson'—the natural state is the most beautiful.
spring is beautiful
Proverbial use: the colors of willow and flowers symbolize the beauty of spring. Less common than the 'natural state' sense.
things differ by nature; each has its own character
Proverbial use: just as willows are green and flowers are red, everything has its own inherent nature. Used to emphasize natural diversity or individual characteristics.
'Willows are green, flowers are crimson' expresses the beauty of spring.
People have different strengths—it's like 'willows are green, flowers are crimson'; each has its own nature.