jiào / liàn / ràng / dà / jiā / zhàn / qǐ / lái / niǔ / yāo / xiān / huó / dòng / yí / xià / shēn / tǐ

教练让大家站起来扭腰，先活动一下身体。

The coach asked everyone to stand up and twist their waists to warm up.