This was it. What could be an impossible effort in the history of spaceflight was ready to lift off on its final chance for success.

VOA: special.2009.07.01

I think it's terribly important to keep the distinction in the back of our minds even if we find it, in practical terms, well nigh impossible and possibly even in many contexts a waste of time to be perpetually enforcing it.

你们一定要牢记这个区别,这实在是太重要了，尽管有时我们发现在一些的文本中这种区别很微小,看上去不值得花时间去研究或使用。

耶鲁公开课 - 文学理论导论课程节选

To be quite objective in these matters is of course impossible.

要在这些当中保持客观是肯定不可能的。

耶鲁公开课 - 1945年后的美国小说课程节选

"If this implies any practical steps taken against Israel, it will make it impossible for any Israeli government to take risks for the sake of peace and that will be detrimental for the peace process,".

VOA: standard.2009.10.16

For Plato" he says "also is of the opinion that it is impossible for the disorders of the state ever to be taken away until sovereigns be philosophers."

对于柏拉图，他说道,也相信只有当一国君王,自己成为了哲学家,才可能将一国的纷乱扫尽“

耶鲁公开课 - 政治哲学导论课程节选

It's not until Book Three of Paradise Lost that the poet explicitly reveals to us, to his readers, the fact of the physical handicap that might reasonably be thought to render impossible his composition of the poem.

直到失乐园第三卷,诗人才明确告诉读者们，自己失明的事实,这可能被合理的认为是他无法完成诗歌创作的原因。

耶鲁公开课 - 弥尔顿课程节选

You also do walking meditation, you can do mantra meditation, you can do all sorts of meditations that can be seen as a step towards maintaining the state of mindfulness at all points of your daily life, which is impossible unless you're a monk for a very long time.

还有行禅，曼怛罗冥想，你可以进行各种冥想修行,都可被视为正迈向,在日常生活的每时每刻,保持警醒，这几乎不可能实现,除非你是修行多年的僧侣。

普林斯顿公开课 - 人性课程节选

He says, "to succeed in many things or many times is 'difficult.' For instance, to repeat the same throw of dice 10,000 times would be impossible; whereas, to make it once or twice is comparatively easy."

他说,要成就很多事情,或成就一件事情很多次,是很困难的,比如,掷一万次骰子都得到同样的结果,是不可能的,但是,掷一两次却是相对容易的

耶鲁公开课 - 金融市场课程节选

It's a fantasy, of course, because no such brainwashing is going to be possible, just as the fallen angels - if you look at line 607 - will be barred from drinking their fill of the river Lethe, forgetfulness is impossible.

当然这是一次幻想，因为这种洗脑,根本就不可能实现，就如同那些堕落天使一般,如果看第607行7,他们被禁止喝忘川之水，遗忘是不可能的。

耶鲁公开课 - 弥尔顿课程节选

For if I say that this is to disobey the god and because of this it is impossible to keep quiet, you will not be persuaded by me on the grounds that I am being ironic.

因为假设我说那是违悖神意,所以我无法保静默，你们不会被我说服,反而会以为我语带讽刺；

耶鲁公开课 - 政治哲学导论课程节选