To describe profound brotherly love and affection, often referring to a relationship where brothers are deeply devoted and supportive of each other.
他们兄弟俩自小感情深厚，长大后更是情重姜肱，无论遇到什么困难都互相扶持。
The two brothers have had a deep affection since childhood, and as adults, their bond is even more like Jiang Hong's profound brotherly love, always supporting each other through any difficulties.
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