What do you mean, "there is someone in the grass, and there is Longquan at the waist"?

Meaning: I don't know that people who live in seclusion in Caoze have sharp Longquan around their waists.

Source:

"I didn't know there was a sharp Longquan at the waist of Cao Ze's recluse" comes from Li Bai's farewell dinner for the shogunate in the water army in the Tang Dynasty.

The poem "Banquet in the Water Army and Imperial Servants of the Shogunate" focuses on narration. Firstly, it describes the outbreak of Anshi Rebellion and the main process of its rebellion, then describes the achievements of Wang Yong in leading the army to quell the rebellion, and then describes the national situation at that time, praising the incorruptibility and strictness of the royal servants.

Extended data

"Volume account, ghost machine for forty years. These four sentences summarize the poet's experience and are also a metaphor for the poet. " Ghost machine, the same interest machine, silently knows nothing about the world. "People in the grass" and "weaving tents" have the same meaning, and they all mean ordinary people. Living in the wild, isolated from the world for forty years. "Describing an ordinary man with a" Longquan "sword around his waist is intended to emphasize his extraordinary talent, but no one knows that he once had the talent to help the world.

These two sentences, "The clouds are making a decision, and I swear to be quiet", are closely linked to the above four sentences, tied into a bundle, and directly express my mind, writing a generous and unrestrained poem, expressing the poet's ambition to quell the rebellion for the country.

Baidu Encyclopedia-Giving a Gift to the Shogun at the Water Army Banquet