An officer's job was to set an example.

一个官员的任务就是树立榜样。

《柯林斯英汉双解大词典》

The biggest benefit of being a captain is that it teaches me to be responsible and set an example for lower grade students.

作为一个队长最大的好处是它教会我要负责任，并为低年级学生树立榜样。

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"I feel such a strong duty not only to be the first to do this, but also to set an example," he told AP.

“我感受到一种强烈的责任，我不仅要成为第一个这样做的人，而且还要树立起榜样。”他在接受美联社采访时表示道。

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Or it could be less. Or it could be more, if the jury wants to punish the losing party and set an example for others.

VOA: special.2009.08.31

So part three down there at the bottom we've got an example of polyphony where I take in the tune and set it against itself a little bit.

在最下面的第三部分,我已经把那小曲做成了复音的例子,和它自己有所对比

耶鲁公开课 - 聆听音乐课程节选

House of Representatives Foreign Affairs Committee chairman Howard Berman voiced hope the new treaty will set an example for other nuclear powers and help strengthen global nonproliferation efforts he says "severely threatened" by Iranian and North Korean efforts to acquire nuclear weapons.

VOA: standard.2010.03.26

The federal government would set an example of restraint in the matter of weaponry.

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"I'm running to set an example--not just for Asians but for all Americans, " Lim says.

CNN: A place at the table

And your service here has set an example for the whole world to see.

CNN: Transcript: Bush speech to troops in Kosovo