词性：n adj.
音标： [fjuːd]
释义：不和，世仇; 封地；长期不和; 经常争吵
"Feud"意思是“长期的争端、不和、宿怨、反目、争斗”。这个单词的来源是中世纪拉丁语“feodum”，意思是“封地”或“封建制度”。
可以用来描述两个或多个人、家庭、团体之间的长期争端、不和、宿怨、反目、争斗。这个单词在英语中是常用的。
A feud is a long-standing fight, often between two families. In Romeo and Juliet, Shakespeare describes the lovers’ long-feuding families, the Capulets and the Montagues.
Feuds do not have to be violent—what characterizes them is long-standing hostility. Ethnic groups can sometimes be said to be feuding. Kids in school who refuse to sit at the same lunch table over a period of years could describe their relationship as a feud.