大家必须问一问自己，这个锻炼的目的是什么。

One has to ask oneself what the purpose of the exercise is.

《牛津词典》

这个电视节目还展示了交际舞是一种不错的锻炼方式，以及学习和正确地跳这些舞蹈需要付出什么样的努力。

The TV programme also shows what good exercise it can be to ballroom dance and what hard work is involved in learning the dances and performing them properly.

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这就是为什么日常锻炼是如此重要，以至于美国国家航空航天局将其列入工作日程表中。

That's why exercise is considered so vital that National Aeronautics and Space Administration (NASA) puts it right on the workday schedule.

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Drinking and listening to the flute, at another time downing water and dieting, now practicing gymnastics and again idling and neglecting everything, and sometimes spending his time as though he were occupied with philosophizing.

小酌及聆听笛音，偶尔饮酒餤美食，有时锻炼体能,有时没事干,什么也不做，有时也花时间,进行哲思。

耶鲁公开课 - 政治哲学导论课程节选

What is an effective way to build muscles?

锻炼肌肉有什么有效的方法？

要拥有好身材 - SpeakingMax英语口语达人