Thus,he says,it is not possible to ascertain who is responsible for the shelling or to make a definitive casualty count.

VOA: standard.2009.05.11

Similarly, it's not possible to picture or imagine what it's like to have fainted and be completely unconscious with nothing happening cognitively.

同样的，要想象,完全不省人事的昏迷,没有任何知觉的感觉也不可能。

耶鲁公开课 - 死亡课程节选

it's not always easy or possible

做起来没那么简单，也不太可行，

临时抱佛脚？也做过 - SpeakingMax英语口语达人

Funk says it's not the same as one-on-one counseling, but she points out that the personal approach may not always be possible or convenient.

VOA: standard.2010.07.30

If we learn from these experiences in ourselves, the question is no longer whether or not it's possible to experience it more and more in our lives.

如果我们自己吸取这些经验，那么问题就不再是，是否有可能,越来越多地体验它。

哈佛公开课 - 幸福课课程节选

And she says while the world is right to be concerned about a possible flu pandemic, it should not let these worries overshadow or interrupt other vital health programs.

VOA: standard.2009.05.18

But, you know, in 2D, the options are not just left and right or north and south, but infinity of possible directions in which I could go those 5 km.

但在二维空间中,不仅可以向左向右或者向南向北,我在走那5公里的时候可以有无数个方向

耶鲁公开课 - 基础物理课程节选

Since her nomination last week, comes this women Sonia Sotomayor has been heavily scrutinized, but not on her possible views concerning abortion,gun control, or any other issue that often divides Americans on political or moral grounds.

VOA: standard.2009.05.31

The question when we see exceptions, whether it's the Lykken and Tellegen study, not all twins were the same, the question is no longer whether or not change is possible, but rather how is change possible.

当我们看到了例外，无论是在Lykken和Tellegen的研究，当发现不是所有的双胞胎都一样，已不再是，改变是否有可能，而是怎样实现这种改变。

哈佛公开课 - 幸福课课程节选