hate with gnashing teeth
It's a Chinese idiom. Its pinyin is Qi è ch ǐ t ò NGX ī n, which means pain and sadness. It comes from the biography of assassins in historical records.
The origin of Idioms
"Shi Ji · assassin biography" says: "this minister's day and night incises his teeth and corrupts his heart." Yan CE 3, the Warring States policy, says, "this minister is always gnashing his teeth and corrupting his heart."
Idiom usage
Used as a predicate, attributive, or adverbial; used of resentment. A man with a heart, Fang ~, would like to cut his heart and eat it. Thanks to him, he still tells people that he is pure hearted. A brief history of Chinese novels by Lu Xun
hate with gnashing teeth
have wide learning and a retentive memory - bó wén qiáng zhì
Blind people feel the elephant - zhòng máng mō xiàng
still to have some fight left in one - yú yǒng kě gǔ
remember what is right at the sight of profit - jiàn lì sī yì