Sang Yu in the East Corner means morning and dusk respectively, and things lost in the morning are recovered at dusk, which means that things lost in the morning can be recovered

2. Stones from other mountains can be used to attack jade

It means that other people's practices or opinions can help them correct their mistakes and shortcomings or provide correct opinions

3. Give me a peach and return it with a plum < Car: Tooth bed. Cheekbones and gums depend on each other. Metaphorically, the two are closely related and interdependent.

if the lips are gone, the teeth will feel cold. Metaphor means that interests are closely related.

5. it takes ten years to grow trees, but it takes a hundred years to cultivate people.

It takes ten years to plant a tree and a hundred years to cultivate a person, which is a metaphor for the hardships of cultivating talents.

6. If you are rich, you can help the world, and if you are poor, you can be immune to it.

When I am developed, I will do good things for the world, and when I am poor, I will manage myself and cultivate my self. It is a philosophy of Mencius. It is the embodiment of "Confucianism and Taoism complement each other".

7. A strong wind knows the strength of the grass, and it will wither when it is cold in the old age.

It is only when the strong wind blows that we know which grass will not be blown down, and it is only in the coldest climate of the year that we find out what plants wither the latest and are the most hardy. It almost means "real gold is not afraid of fire".

8. The wine in Zhumen stinks, and there are frozen bones on the road.

The rich people's wine and meat stink when no one eats them, but there are bones that freeze to death because of the cold on the road. What Du Fu wrote reflects the darkness and extravagance of the ruling class in the Tang Dynasty and the hardships of people's lives, and now it can also be used to reflect the gap between the rich and the poor.

9. Its music is high, but its harmony is rare.

I don't know the source, but the literal meaning should be that the higher the music is talked about, the fewer people should know it. Metaphorically, people who are lofty but not worldly can't get the approval of others, so it's hard to find a bosom friend.

1. Don't forget the past and learn from the future.

don't forget what you did before, it's a lesson from doing things in the future. !