Because if they work any harder than that, then the other person is just going to slack off instead.

因为我们知道如果自己超额完成工作,其他人就可以少做点工作了

耶鲁公开课 - 博弈论课程节选

and work harder and be better like, workers to get the jobs.

并且要更努力地工作，成为更好的雇员来找工作。

中国的影响力 - SpeakingMax英语口语达人

The fact that I'm enjoying myself makes it easier for me to work harder.

我很享受的事实,让我更容易努力工作。

耶鲁公开课 - 死亡课程节选

But Roger Bannister continued to train and work hard, not harder than the rest of the runners, but as hard as the top runners in the world.

但Roger，Bannister坚持苦练，不比别的跑手练得更苦，但和世上别的跑手一样苦练。

哈佛公开课 - 幸福课课程节选