What is the four-word idiom of extreme cruelty?

hipped

Lose your mind, like crazy. Describe words and deeds that are confusing and absurd, or cruel and hateful to the extreme. Source: "Song Shi Fan Ru Gui Chuan": "The public is not crazy, why do it?" It will be remembered forever. "However, the stubborn opposition has undermined its legitimate cause through the illegal activities of progressive cultural institutions, which has reached the extreme. ★ Zou Taofen's "The Suffering of the Rest of My Life, the Suffering of Progressive Culture"

Do something against reason and nature

Injury, injury: injury; Heaven: heaven; Rb: Ethics. Describe cruelty and ruthlessness

Source: Qing Pu Songling's Strange Tales from a Lonely Studio Lu: "Everyone in the class regards me as a dirty official in the world, extorting money that hurts the heavens and sucks people's hemorrhoids?"

Brutality and barbarism are not allowed by nature.

Justice: Heaven; Rong: tolerance, tolerance. The old one means doing things cruelly, destroying human nature, and god forbid.

Source: Yuan Yiming's "Cinnabar Bear" is the fourth fold: "Only when you see grievances can you believe that heaven is unbearable." If you don't punish Kevin·Z for such injustice, people won't accept it. ★ Feng Ming Magnum History of the Eastern Zhou Dynasty (Chapter 42)

Justice will not tolerate.

The old one means doing things cruelly, destroying human nature, and god forbid. Source: Yuan Yiming's "Cinnabar Dan" is the fourth fold: "Only when you see injustice can you believe that God forbid it."

Go against heaven

Doing things cruelly violates the ethics of heaven. Use "against nature and reason".

Source: The Biography of Wang Zhi in the Ming Dynasty: "Today, the Japanese pirates are rampant, which goes against heaven. But your majesty should seal the border, apply for an order and fix the wall. "

Cruel, contrary to the ethics of heaven

Doing things cruelly violates the ethics of heaven. Use "against nature and reason".

Source: None

Cruel, contrary to the ethics of heaven

Doing things cruelly violates the ethics of heaven.