He replies, "I act because I must."

他回答说：“我这么做是因为我必须这么做。”

youdao

Before I act, I think.

行动前，我会思考。

youdao

I act real shallow but I'm in too deep.

我的行为虽然看上去肤浅，但实际我已泥足深陷。

youdao

I hope that the people will understand that I act not in anger, but in expectation of a greater good."

VOA: special.2009.10.08

Why should I act in such a way if I have no expectation or reasonable expectation that those around me will reciprocate?

如果我对别人的报答,没有期望或合理的期望,我为什么要这样做？

耶鲁公开课 - 政治哲学导论课程节选

I'm going to just give you two examples of the way Moses and God act as a check upon each other.

我会给大家举两个例子,就上帝和摩西克制对方脾气的例子。

耶鲁公开课 - 旧约导论课程节选

"I act as a mentor to the kids and basically shadow them through the army application process, " he said.

BBC: The teens training for Army life

That is, changing the way I act professionally due to the relationship built.

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That means that every time I get a buy signal, I accept it and I act on it, mechanically.

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