To sever all emotional ties and loyalty; to break off a relationship completely, often referring to a divorce or a complete estrangement between former lovers or close companions.
他们曾经是最好的朋友，但因为误会和不信任，最终恩断义绝，从此互不往来。
They were once the best of friends, but due to misunderstandings and mistrust, they eventually severed all emotional ties and stopped communicating.
Next Idiom