He qualifies exhumations as a humanitarian act that allows families to close what he calls the circle of pain and mourning in which they have been caught for a quarter of a century, and says it was unthinkable as recently as a few years ago that investigations into war crimes would have been allowed in this country.

VOA: standard.2009.12.18

For Milton then, at least at that point in his career, his literary career, such a trip without a guide may well have seemed unthinkable.

对于弥尔顿，至少这一点在他的文学职业生涯中,这一趟没有向导指引的旅途是无法想象的。

耶鲁公开课 - 弥尔顿课程节选

But if you've got the Germans in Ostende eating moules frites, eating mussels with French fries, and you've already got the french there, this is unthinkable.

但如果德国人在奥斯坦德吃着淡菜炸薯条,也就是薯条配淡菜,和法国人一同窥伺英伦,这是难以想象的

耶鲁公开课 - 欧洲文明课程节选

Things like steel and polymers, or plastics, and ceramics, and of course computers which has progressed remarkably due to the work of engineers in your lifetime, until now you can carry around a cell phone, which would have been unthinkable even 30 years ago.

包括钢铁,聚合物,塑料,陶瓷,当然,计算机这个在你们的有生之年,已经取得令人瞩目的进展的发明,也得归功于工程师的工作,现在你们的手机能随身携带,而这在三十年前是不可想象的

耶鲁公开课 - 生物医学工程探索课程节选

Now, one of the reasons why people would-- it's unthinkable for someone like me or for probably most of you to imagine giving up your rights to a kind of absolute rule, though we seem to be in a situation like that, where that's happened quite a lot recently, even in this own country.

我或者你们中绝大多数的人,很难想象会有这么多人,宁愿放弃自己的权利,而屈从于一种绝对王权的原因,尽管在我们国家,最近类似的事情层出不穷,让我们仿佛能够感同身受

耶鲁公开课 - 欧洲文明课程节选