2. Do your best to die: it means to be diligent and do your best to die. Often used to describe people's greatness.
3, peaches and plums are self-sufficient: the original intention is that peach trees and plum trees do not take the initiative to recruit people, but people come to see their flowers, pick their fruits and walk into a path under the tree; Metaphor is noble, honest, upright, and naturally respected and admired by people without self-promotion.
4. The predecessors planted trees, and the descendants enjoyed the cool: it takes several generations for the trees planted by the predecessors to grow into shade, and the descendants can enjoy the cool, indicating that the growth of trees takes a long time. This also means that the work carried out may take a long time to reflect the benefits and values. At the same time, it also shows the long-term and arduous nature of ecological environment protection. Only by protecting the environment can we leave a living place for our future generations. We can't develop the economy at the expense of the environment. Sustainable development is the last word.
5. shine on you is better than blue: It means that people can be improved through study or education. It is often used to indicate that students surpass teachers or that future generations surpass predecessors.