Zhao Zhouqiao's four-character words

As graceful as a swan-(of a woman) jumping gracefully and lightly.

If Youlong, Wan.

Strong and beautiful

have a long history

Wisdom crystallization

Exquisite craft

The ancient idiom, "The beauty lies in wisdom, being born by touching it, being born by being excited, mysterious and subtle, and being clever." It means that exquisite labor is better than nature, and it is extremely exquisite.