vendetta
/venˈdetə; vɛn`dɛtə/ n
1 hereditary feud between families in which murders are committed in revenge for previous murders 家族世仇; 族间仇杀.
2 bitter long-standing quarrel 长期争斗; 积怨
(joc 谑) wage a personal vendetta against the Post Office 个人向邮局进行的长期斗争.