Miz Lisagore says some readers have decided to work harder to protect the environment.

VOA: special.2009.04.22

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

But the head of UNICEF, Anthony Lake,says: "Unless we all work harder, there may still be fifty-six million children out of school in two thousand fifteen."

VOA: special.2010.05.20

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

"We have to work harder together to fight the perceptions and the stigma.

VOA: special.2010.04.28

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

The incident,however, made Charlie work even harder to improve his playing.

VOA: special.2009.05.03

Fars News Agency reports that the Ayatollah wants Iranians to work harder, use more initiative and be more creative.

VOA: standard.2010.07.23

Then they add aerobic exercises that get the heart and lungs to work harder and promote circulation.

VOA: standard.2010.02.26

"I want to study English harder and better than the year before and I hope the work and business is better than before.

VOA: standard.2010.02.14

"We have to work harder together to fight the perceptions and the stigma."

VOA: standard.2010.04.26

Deputy-President Motlanthe said to adequately commemorate the victims of the anti-apartheid struggle, government must work harder to improve the lives of those who have not benefited from it.

VOA: standard.2010.03.21