13. Can you tell me something about yoga?
你能给我介绍下瑜伽吗?
还能这样说：
Can you introduce yoga to me?
Can you talk about yoga?
应用解析：
tell it like it is 讲真话，说实话;
tell to sb.'s face 当面讲;
tell from 辨别
14. More importantly, I can have peace of mind by practising Yoga.
更重要的是，练习瑜伽能让我心绪平静。
还能这样说：
The more important thing is that yoga can help my mind calm down.
It is important that practising yoga gives me a peaceful mind.
应用解析：
be in twenty minds 犹豫不决地;
be of sb.'s mind 同意，意见相同;
take one's mind off sth. 使某人不再思考或担忧某事;
turn sth. over in one's mind 仔细考虑或反复思考某事物;
to my mind 照我的想法，我认为
15. Yoga originated in the East.
瑜伽起源于东方国家。
还能这样说：
The origin of yoga was in the East.
East was the root of yoga.
应用解析：
to the east ……以东;
east by north 东偏北;
east wind 东风;
in east and west 横贯东西
16. He attends regular yoga classes.
他定期上瑜伽课。
还能这样说：
He attends yoga classes regularly.
He goes to yoga classes on fixed time.
应用解析：
attend on one's master 侍候主人;
attend with 带来;遇到;
attend far better 好得多的照顾;
attend regularly 定期出席
17. I need to get back in shape by practising Yoga.
我要通过练瑜伽恢复身材。
还能这样说：
I need recover my shape by practising yoga.
I think yoga can help me get back in shape.
应用解析：
get sth. into shape 使成适当形式，整理;
take shape 成形，变得更有条理;
give shape to 休整，整理;
shape a statement 提出声明;
ship one's course in life 决定人生观方向