The fourth word is Quanda, an idiom about guessing correctly.

Don't drink and steal springs: a metaphor for honesty.

Blue sky: blue sky: sky and sky. Death: underground. Heaven and earth. It refers to every corner of the universe.

Hate death: death: the underground where people die and are buried refers to the underworld. Leave this world with regrets and die with regrets.

Short and extinct spring: still short and deep. Metaphor ability is weak, and it is difficult to undertake arduous tasks.

Jiuquan smiles: Jiuquan: deep underground, which used to refer to the place where people were buried after death. Also known as the "grave". The grave is full of smiles. It means to feel gratified and happy after death.

Knee drop: if you like it, hold it on your knees, if you don't like it, push it into the deep water. Metaphor of choose and employ persons love and hate impermanence. It is the same as "adding knees to fall into the deep".

Dig wells and springs: dig: dig; And: to. Digging a well means digging a spring. Metaphor works from beginning to end.

The thirsty horse ran to the spring: horse: fine horse. Like a thirsty and thirsty horse, running to Ganquan. Describe the strength of calligraphy. It is also a metaphor for urgent desire.

A plan is like a spring: there are as many springs as there are strategies.

Being in Linquan, I am worried about Wei Que: people who dismissed from office before still want to enter the court. Later, it was often used to satirize a false hermit who was obsessed with fame and fortune. The same is "in the rivers and lakes, there is Wei Wei in my heart."

Never put off till tomorrow what you can spring:

Thinking is like a spring: thinking is like a gushing spring. Describe people who are quick-thinking and talented.

Si Wen is like a spring:

Return to the past nymphs: return to the secluded forest to spend the rest of your life.

Complaining about Jiuquan: it means complaining about death and complaining about the ground.

Think like a spring: