sanguinariness
Grinding teeth and sucking blood, a Chinese idiom, Pinyin is m ó y á sh ǔ nxu è, which means sharpening teeth and sucking blood. It's from the hard road to Shu.
The origin of Idioms
Li Bai, Tang Dynasty, wrote in the book Shu Dao Nan: "avoid tigers in the morning, avoid snakes in the evening, grind teeth and suck blood, and kill people like hemp."
Idiom usage
It's very ferocious. example there are a pair of huge lions squatting and opening their teeth to suck blood. The 23rd chapter of Zeng Pu's Nie Hai Hua
sanguinariness
When a viper stings his hand, a strong man will get rid of it - fù shé shì shǒu,zhuàng shì j