You start to complain, then that act starts to expand by you finding even more things to complain about in your life.

你开始抱怨一件事，然后你发现了更多可抱怨的生活琐事，这种行为被你扩大了。

youdao

If you've made something a habit, then you've gotten to the point where you act instinctively.

如果您已经对每件事养成的习惯，那么您就会本能的作出反应。

youdao

Then, through an act of folly, you got involved in the Helping Hambantota scandal.

之后你愚蠢的涉入到海啸救济金的丑闻中。

youdao

But then having found one answer, you can add to it anything that gets killed by the act of taking derivatives.

一旦你算出了一个答案,你就可以往式子里加入任何,在求完导后消失的项

耶鲁公开课 - 基础物理课程节选

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

If I tell you something and share an idea with you, then the act of sharing should involve you, sharing an idea with me.

FORBES: Thanks For Sharing (That's Nice, Shut Up!)

You have to be consistently receptive to bad news, and then you have to act on it.

CNN: ASIANOW - TIME Asia

If you don't act excited then you're not going to get your visa.

CNN: Vice Guide to North Korea