your boss asks you to take on a project that you really want to take on and you really enjoy

你的老板让你参与一个你特别想加入的项目，你做得很开心，

That's why 课堂 - SpeakingMax英语口语达人

To attend these lectures in sections-- more on that in a moment; to submit 9 problem sets, take two quizzes and ultimately design a final project.

每节课都要来参加-,这个一会儿再解释，做完九套习题，参加两次测验，最后设计好期末的大作业。

哈佛公开课 - 计算机科学课程节选

You may take on a long-term project and then die before you've been able to complete it; or alternatively, you may peak too soon and then continue to stick around in an anti-climactic way.

你可能承担了一个长期的项目,然后在你能完成之前就死了，或者，你可能太快达到人生高峰,然后继续在平淡中徘徊。

耶鲁公开课 - 死亡课程节选