Or should I rightfully say insignificance ?

或者我应该准确地说微不足道的事件？

I 'm worried my brother and his girlfriend will hear and feel ( rightfully ) offended .

我很担心我哥哥和他女友会听到并受到冒犯（尽管这是情理之中的）。

Marginal cultures in the past have rightfully entered the mainstream through business , taking money from the majority and infusing it into their own tribes .

过去，边缘文化曾通过商业活动合法地进入主流社会，从多数人那里挣得金钱，并注入到自己的部落。

By showing the king to be a traitor to his people , the colonists rightfully dissolved the last political bonds with britain and assumed a " separate and equal station " among nations of the earth .

通过展示英王对其人民的背信弃义，殖民地正当地解除了与不列颠帝国之间最后的政治联系，并在世界各国间建立起一种“独立且自由的状态”。

Mill argues that " the only purpose for which power can be rightfully exercised over any member of a civilised community , against his will , is to prevent harm to others "

密尔指出“权力能够被合法地施予每一个文明群体中的成员，这样做达到的唯一目的或许违背了个人意愿便是防止伤害其他人。”