We need to act upon it.

我们需要采取行动。

youdao

And I can't act upon it.

我无法对它采取行动。

youdao

I can tear it to pieces, act upon it.

我就可以把它撕成碎片，对它采取行动。

youdao

But here I have the opportunities to someone something, and then you see them act upon it in a month's later, a year's later.

但我能有机会去帮助别人，并看到他们能因此在一个月后,甚至一年后，收到效果，作出改变。

普林斯顿公开课 - 人性课程节选

You may not always act upon it ( but your gut tells you that you should).

FORBES: 5 Ways to Earn Respect and Get Noticed in a Meeting

Even among those who know this to be true, few have the courage to act upon it.

FORBES: 7 Ways To Value Yourself Beyond Social Media

Most importantly, we are sharing appropriately specific information with those who need it and can act upon it.

BBC: NEWS | Americas | US terror alert: Full text