This is the 4860th most frequent Chinese word.
血肉
"Blood and flesh."
In this sentence, '血肉' metaphorically indicates the depth and vividness provided to a literary work.
他的作品充满了血肉，非常生动。
His works are full of richness and vivid details.
Here, '血肉至亲' emphasizes familial ties and the blood relation metaphorically.
战争让人们失去了血肉至亲的家人。
The war caused people to lose their closest family members.
In this context, '血肉' is used figuratively to describe the enriching and substantial elements added to culture.