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Years of cold pine cypress

Years of cold pine cypress
Cold: The coldest time of the year. This means that when the weather is the coldest every year, you can know that the pine is not afraid of the cold. A metaphor for those who can maintain discipline in the face of adversity. Also known as "Years of Cold Pine Cypress".
Synonyms: Conifer hinds
derivation
"Analects of Zihan": "Zi Yue: 'Years are cold, and then after knowing pine cypress, they wither.'" ’”
Translation:
"Analects of Zihan": "Confucius said: 'In the cold season, I know that the pines and cypresses are the last to wither.' ’”
Analysis:
Confucius believed that people should have backbones. As a gentleman with lofty ambitions, he is like a pine cypress, he does not go with the flow, and he can withstand all kinds of severe tests. Confucius's words, concise in language and profound in meaning, deserve our in-depth consideration.
Example
Later, the wealth has fallen, and the cold pine cypress is still there.
Years of cold pine cypress, long and unforgettable. This epidemic has made us realize what is called "support from one side with difficulties and eight parties", many countries have donated materials for our country, and people from all sides have actively supported us.
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Guess the idioms separately based on the information provided in the pictures below.
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Answers from the previous issue: 1, return to the heart like an arrow 2, wind and grass 3, pity for the same disease 4, brocade and jade food