莫予毒也 No one can harm me anymore
Explanation
表示再也没有人威胁、危害我了。形容目空一切，自以为谁也不能伤害自己。
It means that no one threatens or harms me anymore. It describes someone who overlooks everything and everyone, believing that no one can hurt him.
Origin Story
公元前633年，楚成王率陈、蔡两国军队进攻宋国。宋国向晋国求救，晋文公出兵攻打楚国的盟国曹、卫两国，迫使楚军回师救援，最终楚军大败，楚国大将子玉被楚成王赐死。晋文公听到这个消息后，欣慰地说：“再也没有人能加害于我了！”这便是“莫予毒也”的由来，说明晋文公在当时已经拥有了绝对的优势和地位，没有人可以威胁到他。
In 633 BC, King Cheng of Chu led the armies of Chen and Cai to attack the Song state. Song asked Jin for help, and Duke Wen of Jin sent troops to attack Chu's allies Cao and Wei, forcing Chu's army to return to help them, resulting in a devastating defeat for Chu. Chu's general Ziyu was executed by King Cheng. When Duke Wen of Jin heard this news, he said with relief: "No one can harm me anymore!" This is the origin of the idiom “Mo Yu Du Ye”, which shows that Duke Wen of Jin at that time had absolute superiority and position, and no one could threaten him.
Usage
常用来形容一个人权势极大，不受任何威胁或损害，也可以用来讽刺那些自以为是、目空一切的人。
It is often used to describe a person's immense power, who is not subject to any threat or harm. It can also be used to satirize those who are self-righteous and arrogant.
Examples
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他目空一切，真是莫予毒也！
ta mukōng yīqiè, zhēnshi mò yù dú yě!
He is so arrogant that he thinks nobody can hurt him!
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他已经取得了决定性的胜利，可以自豪地说：‘莫予毒也’了！
tā yǐjīng qǔdéle juédìng xìng de shènglì, kěyǐ zìháo de shuō: ‘mò yù dú yě’ le!
He has won a decisive victory and can proudly say: 'No one can harm me anymore!'