After two weeks, the H.I.T. riders, with less than 20 minutes of hard effort behind them, had increased their aerobic capacity as much as riders who had pedaled leisurely for more than 10 hours.

两周以后，这些高强度间歇训练者，总共进行了不到20分钟的高强度训练，他们的有氧能量增加程度已经和那些悠闲的骑了超过10小时的人相同了。

youdao

Not every effort counts. But every harvest comes from hard effort.

不是每一次努力都会有收获，但是，每一次收获都必须努力。

youdao

Successful men are not talents without paying hard effort, but only ordinary persons who work hard.

成功的人，不是不努力的天才，而是努力拼搏的普通人。

youdao

"They have gone through the past month or so of very hard effort to reach the point where they can begin to consolidate and control ground that they have won so, by no means this is over yet.

VOA: standard.2009.07.27

Somebody starts out poor and makes his way through hard work and dedication and effort to riches and success.

他白手起家,通过努力工作,奋发图强，最终得到荣华富贵。

耶鲁公开课 - 死亡课程节选

The hard work of this grassroots effort resulted in the first Earth Day on April twenty-second, nineteen seventy.

VOA: special.2010.04.21

And the progress I have reported tonight is in large part because of your courage and hard effort.

CNN: Text of President Bush's speech

Frischling, founder of the Travel Strategist blog, said TSA agents came to his Connecticut home Tuesday evening to question him about his source, leaving for a brief time to go to Wal-Mart to buy a hard drive in a failed effort to copy his hard drive that night.

CNN: TSA withdraws subpoenas of travel bloggers

No Republican has ever won the presidency without it, and McCain is working hard in an effort to wake up the once-dominant party machine.

NPR: Palin Moved The Electoral Map, But For How Long?