vendetta
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.
I think we should leave the door open. it's boiling in there.
我觉得我们应该把大门敞着,屋里太热了。
Second, understanding other cultures is also important.
其次,理解其他的文化也是重要的。
Even if one didn't know from concrete examples (the 1936 Olympic Games, for instance) that international sporting contests lead to orgies of hatred, one could deduce if from general principles.