A：You look fresh recently.How do you make it?你近来看起来精神挺好，怎么做的?
B：I attend an aerobic class three times a week.我一周上三次健美课。
A：Aren't you tired?你不觉得累吗?
B：No,I feel young,fresh and energetic.不觉得，我感觉年轻、轻松、精力充沛。