兄肥弟瘦
xiōng​féi​dì​shòu

brotherly love

兄肥弟瘦 xiōng​féi​dì​shòu
brotherly love
Used to describe a profound love and devotion between brothers, especially the willingness to sacrifice one's life for a sibling; literally "the older brother is fat and the younger brother is thin," based on a story where an older brother offered himself to be eaten in place of his starving brother.

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