Four words describe a good hand.

The dragon snake at the bottom of the pen-Jude said the pen was gone. Describe calligraphy as vivid and imposing.

Dragonfly and phoenix dance-initially described the majestic mountains, and later described the power and flexibility of calligraphy.

Yan-Yan: Yan Zhenqing, a calligrapher in the Tang Dynasty; Liu: Liu Gongquan, a calligrapher in the Tang Dynasty. Yan Liu's and Yan Liu's calligraphy are both powerful, but their styles are different. Also known as excellent calligraphy.

Luan Xiang Feng Xiang Xiang: hovering and flying; Zhu: Fly high. Metaphor calligraphy strokes flying and stretching.

The flower at the bottom of the pen-a vivid and excellent writing style

The word "dragon snake" is used to describe the vividness and momentum of calligraphy.

Sweep a thousand troops with a pen-describe the forceful brushwork, as if it had the momentum of sweeping a thousand troops.

Brilliant literary talent-a metaphor for the talent and elegance of literati, as well as excellent poetry and prose writing.