Notice how very casual Yeats is in that second strophe, how self-consciously fantastic and speculative he is.

注意叶芝在第二节,是多么随意，多么自觉的神奇,多么敏锐。

耶鲁公开课 - 现代诗歌课程节选

They have an innate feel for it and it happens organizationally that it happens from a leadership standpoint.

有着敏锐的直觉,通过团体落实任务,这样就可以从领导者的高度统领一切。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选

Now the Lady, we know, has an exquisite and powerful sense of hearing.

我们知道，现在这位女士，有着敏锐的强有力的听觉。

耶鲁公开课 - 弥尔顿课程节选

You get the idea that everything arises from the extraordinary mental acuity or spiritual insight of an author and that what needs to be understood about literature is the genius of its production.

你发现一切,都源自这些作者的敏锐头脑和深刻见解,关于文学，你需要理解的,是这些天才的作品。

耶鲁公开课 - 文学理论导论课程节选

> Very observant.

>，非常敏锐的。

哈佛公开课 - 计算机科学课程节选

That's a keen observation.

很敏锐的观察力。

哈佛公开课 - 幸福课课程节选