feud

1. N-COUNT A feud is a quarrel in which two people or groups remain angry with each other for a long time, although they are not always fighting or arguing. 積怨

...a long and bitter feud between the state government and the villagers. …該州政府和村民們之間的一個長期積怨。

2. V-RECIP If one person or group feuds with another, they have a quarrel that lasts a long time. You can also say that two people or groups feud. 爭吵不休

He feuded with his ex-wife. 他與前妻爭吵不休。

3. N land held in return for service 封地[feudal law]