Sometimes it's easier actually not touch it to the metal, -- I should have- TA: It's hard to see if it's moving or not.

有时候它更容易不接触金属，我本应该-,助教：很难看到它是否移动了。

麻省理工公开课 - 化学原理课程节选

There's hardly a movie that goes by now that doesn't have products inserted and that's all bought and paid for.

现在已经很难看到一部,没有品牌植入的电影了,这全都是要花钱的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And of course it's not hard to see what happens.

当然也很难看到到底发生了什么。

麻省理工公开课 - 热力学与动力学课程节选

Generally, you wouldn't find these kinds of paintings in other places.

一般来说,你在别的地方很难看到这样的画作

耶鲁公开课 - 欧洲文明课程节选

That's good because we don't see that very often.

那非常好,因为我们很难看到那种情况

耶鲁公开课 - 博弈论课程节选

And I also want to point out, it's guaranteed pretty much you may or may not be able to see, sometimes it's hard to see that one that's getting near the UV end of our visible spectrum. So we won't worry if we can't see that.

我要指出的是，我可以保证你们,但你们可能会看不到，有时候很难看到,这个可见光谱边缘接近紫外光地方的这根谱线,所以看不到也不用担心。

麻省理工公开课 - 化学原理课程节选

It's harder to find, they're more limited numbers, and in general, more difficult until eventually down this pathway you have fully differentiated cells, cells that are fully mature and performing the function of the mature organ.

不过找起来更困难,因为它们数量稀少而且通常很难定位,在分化的终末阶段,你可以看到完全分化的细胞,这些细胞完全成熟,在成熟的器官中发挥功能

耶鲁公开课 - 生物医学工程探索课程节选

Not too many people are willing to see this, and perhaps it is hard to see, because Hazel Motes is such an admirable nihilist.

没有很多人想看，或者说是也许很难看到这封信，因为Hazel，Motes是,如此一个的虚无主义者。

耶鲁公开课 - 1945年后的美国小说课程节选