Her reasons for acting are morally defensible.

她表演的理由道德上讲是合乎情理的。

《柯林斯英汉双解大词典》

Instead of punishing them for acting their age, we can use chances to teach and guide them to a place of learning.

与其因为他们的适龄行为而惩罚他们，我们不如利用机会去教他们，引导他们去学习。

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So does he have the right temperament for acting?

那么他的性格适合表演吗？

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The ceremony presented only seven awards: two for acting and one for best movie,director,writing,cinematography and art direction.

VOA: special.2009.02.20

The most important thing for acting is

对于表演，最重要的东西，

留在记忆中的学生 - SpeakingMax英语口语达人

This is an honor and privilege. This is me, really acting out what I think is at the heart of what I understand to be appropriate for me.

这是一项荣耀和特权，这就是我，真正去实践我心里认为,适合于我的东西。

普林斯顿公开课 - 人性课程节选

Motivation is the underlying reason a person has for acting or behaving in a particular way.

FORBES: Putting 'Employee Motivation' In Its Place

Neither report does anything to weaken the case for acting to limit carbon emissions.

ECONOMIST: Climate controversies

Under government rules, the SEALs couldn't accept any money for acting in the film.

WSJ: A Navy SEAL on an Unusual Mission: An Acting Role in 'Act of Valor'