2-- Yeah. Especially among young people.
 
1-- But is it for women only?
 
2-- No, men can also do it. As a matter of fact, yoga is simply a special gymnastic exercise. But you have to pay attention to its particular way of breathing while practicing it.
 
1-- Oh, I see. Is it tiresome?
 
2-- Well, in the beginners' class, it's not tiresome at all. But in the advanced class. It's rather demanding.
 
1-- That sounds like aerobics. I used to do that.
 
2-- In that case, it's easier for you to learn yoga for it has something in common with aerobics.
 
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注解：
 
1.nowadays现在 
2.Especially尤其 
3.demanding要求高的 

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译文：

1--现在瑜伽很流行。
2--是的，尤其是在年轻人当中。
1--但是不是只有女的才可以练呢？
2--不是的，男的也可以练瑜伽。实际上瑜伽是一种特殊的体操运动，但是在做瑜伽时你必须注意其特别的呼吸方式。
1--哦，我明白了。练瑜伽累吗？
2--恩……在初级班，你一点儿也不会感到累；但在高级班，对体力的要求确实有点高。
1--这听上去倒很像做有氧运动。我以前常做。
2--那样的话，你学瑜伽就会简单多了，因为它和有氧运动在有些方面是相通的。