Or losing the ability to do something.

VOA: special.2009.10.25

Milton even claims that poetry is equal to preaching in its ability to move people, to get them to do something, to make things happen in the world.

弥尔顿甚至声称诗歌,就其打动人心鼓舞人和促进事务发展的能力而言，是和宗教平起平坐的。

耶鲁公开课 - 弥尔顿课程节选

Well, a smile is just a way of talking about the ability of the body to do something.

笑就是我们表达,肉体某项能力的一种方式

耶鲁公开课 - 死亡课程节选