At the foot of the east wall of the courtyard, the green chrysanthemum was picked. The word carefree expresses the author's mentality at this time. Looking up to see the beautiful scenery of Nanshan, I was intoxicated.

These two sentences should be understood in context. The article above says, "Building a house is in one person's environment, but there are no horses and chariots." When you ask yourself what you can do, your heart is far from self-centered. "Four sentences, face up to the poet's living environment at that time, seclusion in the mountains, away from the world. Knowing this objective environment, the poet's mentality at this time is self-evident. Without the complexity of the world and the disputes in officialdom, it is a pleasant thing to take a walk, plant flowers and enjoy the scenery at will.

These two sentences are the embodiment of the author's mentality at this time. In modern terms, it can be said that there is no official.