祖国的需要就是我的志愿。

My wish is to do what my country needs me to do.

《新英汉大辞典》

“多亏了我的志愿者老师，我的生活改变了很多。我会努力学习，成为像她一样优秀的人，”当地学生李素梅兴奋地说。

"Thanks to my volunteer teacher, my life has changed a lot. I will study hard and become an excellent person like her," Li Sumei, a local student, says excitedly.

youdao

根据你的建议，我参与了志愿活动。

I participated volunteer activities on the recommendation of you.

youdao

You can even implement your own versions of some of the most popular console games today for which I need another volunteer.

现在你就可以编写程序,把当下最流行的控制台小游戏，改造成自己的版本,现在我需要再上来一名志愿者。

哈佛公开课 - 计算机科学课程节选

I volunteer with an organization called "Divine Possibilities",

我在一个叫做“神圣的可能性”的组织做志愿者，

求职攻略 - SpeakingMax英语口语达人

Now at Harvard Thinks Big I happened to tear into this thing myself and it would seem a little pointless to re-hash that same demo so instead I thought I'd solicit an ideally sufficiently strong volunteer to come on up.

现在在“哈佛大梦想”的讨论会上,我反复思考这件事,觉得再演示一遍似乎意义不大,因此我想找一位合适的志愿者,上讲台来。

哈佛公开课 - 计算机科学课程节选