He stressed the threat posed by militants in the region is too great for the United States to pull out.

VOA: standard.2009.08.23

That leads me to the larger question you might say which is posed throughout Aristotle's work as a whole.

而这也带入一个较大的问题,且是贯穿亚里士多德,整部作品的精神。

耶鲁公开课 - 政治哲学导论课程节选

So we have to assume that the occasion for this poem is some kind of question posed by John Milton, Sr., a question like, "To what end am I supporting you, Son?

我们可以假定这个诗的起因是,老约翰弥尔顿问小弥尔顿，“我到底为什么要资助你，儿子？“

耶鲁公开课 - 弥尔顿课程节选

But he made clear it is regional in nature - designed to deal with the threat posed by militants and extremists on both sides of the Afghan-Pakistan border.

VOA: standard.2009.03.26

So again, when the question is posed, ?" "Is there a kind of life that I or you would want to live forever?"

所以当问题提出时，“是否存在我或你们想永远过的生活“

耶鲁公开课 - 死亡课程节选

The rebellion has become increasingly violent. Worried by the growing security threat posed by the Maoists, the government is preparing to mount a big security operation called Operation Greenhunt to take out the insurgents.

VOA: standard.2009.11.04