恩断义绝 kindness and righteousness broken
Explanation
恩断义绝指的是恩情和情义都断绝了，形容感情彻底破裂，多指夫妻离异，也可指朋友反目成仇。
En Duan Yi Jue means that kindness and righteousness are completely broken off. It describes the complete rupture of feelings, mostly referring to the divorce of couples, but it can also refer to friends turning into enemies.
Origin Story
话说唐朝时期，有一个书生名叫李玉，与一位美丽的女子赵兰相爱，二人情投意合，羡煞旁人。婚后，二人恩爱有加，琴瑟和谐。然而，好景不长，李玉科考屡屡不中，心中焦虑烦躁，经常对赵兰发脾气。赵兰温柔体贴，总是耐心开导他。但时间久了，李玉的坏脾气越来越严重，对赵兰也越来越不耐烦，甚至对她恶语相向。赵兰心灰意冷，最终决定离开李玉。两人曾经海誓山盟，如今却恩断义绝，令人唏嘘不已。
Once upon a time in the Tang Dynasty, there was a scholar named Li Yu who fell in love with a beautiful woman named Zhao Lan. They were deeply in love, and everyone envied their relationship. After their marriage, they were very affectionate and lived a harmonious life. However, their happy life didn't last long. Li Yu failed the imperial examinations repeatedly, which made him anxious and irritable. He frequently lost his temper at Zhao Lan. Zhao Lan was gentle and considerate, and she always patiently comforted him. However, over time, Li Yu's bad temper became worse and worse, and he became increasingly impatient with Zhao Lan. He even spoke harshly to her. Zhao Lan's heart grew cold, and she finally decided to leave Li Yu. Their once unbreakable bond was broken, leaving everyone with a sigh.
Usage
恩断义绝通常用于形容感情彻底破裂，多用于夫妻、情侣或朋友之间。
En Duan Yi Jue is usually used to describe the complete rupture of a relationship, mostly used between couples or friends.
Examples
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他俩因为一点小事就恩断义绝了。
tā liǎ yīnwèi yīdiǎn xiǎoshì jiù ēn duàn yì juéle
They broke off their relationship because of a small matter.
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他们曾经是最好的朋友，如今却恩断义绝。
tāmen céngjīng shì zuì hǎo de péngyou, rújīn què ēn duàn yì jué
They were once best friends, but now they have broken off their relationship completely