But this week, Mr.Obama could report apparent success in a different sort of battle -- against the largest accidental oil spill ever at sea.

VOA: special.2010.08.07

This raises a question. Whether the relation between contemporary political science and liberalism is merely accidental or whether there is some intrinsic some necessary connection between them.

这导出一个问题，当代政治科学,与自由主义的关系仅是偶然,或之间，有些本质的,一些必然的,连结介于两者之间。

耶鲁公开课 - 政治哲学导论课程节选

It was accidental." The Gilbreths were a real family.

VOA: special.2009.05.04

destiny... or if we're all justfloating around accidental-like on a breeze...

VOA: standard.other