? What do you mean by separation of flesh and blood? What are the allusions?

The source of the allusion: Feng Ming Menglong's "Negative Textbook" Volume 30: "Who knows that after death, my love turned into hatred, which led to the separation of my flesh and blood and a bad end. I am so bitter! I hate it! Idiom meaning: flesh and blood: refers to parents, brothers and other relatives. Metaphor relatives separated, unable to reunite. Universal Pinyin: rou fēn li Frequency of use: words in common idioms: meaning of four-character idioms * * Color: derogatory idioms Usage: separation of flesh and blood, as predicate, object and attribute; Metaphor relatives scattered. Idiom structure: subject-predicate idiom synonym: antonym of separation of flesh and blood: Reunion of flesh and blood idiom Example: Meng Jiangnv: "At this point, I also sighed and cried. I hated Qin Shihuang and said that he built the Great Wall of Wan Li for no reason, which separated people. 」