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
Chinese PinYin : mó yá shǔn xuè
sanguinariness
write the truth without fear or favor. bǐng bǐ zhí shū
become destitute and homeless. liú luò shī suǒ
decision making through operations research. yùn chóu huà cè
Changing the past and changing the customs. biàn gǔ yì sú