There is a four-word idiom that refers to the life of savages who eat raw meat and drink blood. this

Eating raw animals with hair and blood, idiom, definition: the life of eating raw animals with hair and blood. In an uncivilized state.

Pinyin rú máo yǐn xuè

Explain ru: eat. Used to describe primitive people who could not use fire.

Source "Book of Rites": "Do not cremate, eat vegetation, eat the meat of birds and animals, drink their blood, like their hair, no numbness, and dress their feathers."

The era of role models is gone forever.

Synonyms are eaten raw

Discrimination is also called "drinking blood like hair"

Grammatical combination; As predicate, object and attribute; Describe a savage life