Play a Chinese zodiac with one scale and one claw.

The dragon is in the clouds, showing only a little scale and a toe, so it is difficult to see the whole picture. Metaphor things incomplete, fragmented.

Source: Tang Zhongwu's "Zhongxing Idle Collection Su Xun": "In three years, I wrote nine poems to change the rhythm, and I went to Li Shuai, Guangzhou. Their meanings are longer than satire, and some of them are adopted by Chen.

Zhao Qing believes in "Talking about the Dragon Record": "The dragon bends and stretches, and there is no fixed position. Those who see in a trance refer to their scales and claws, and the dragon head and tail are intact, so they are here now. "