To not forget one's roots or origin; to yearn for one's hometown or birthplace, especially in old age, like a fox that dies with its head pointing towards its native mound.
虽然他已经在城市里生活了几十年，但每到逢年过节，那份首丘之情便会油然而生。
Although he has lived in the city for decades, every time during festivals, that sentiment of longing for his hometown would naturally arise.
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