如果你锻炼了，你可以吃任何你想吃的。

If you work out, you can eat whatever you want.

youdao

如果你锻炼的时间更长或者更久，你会进一步改善你的健康，减少你得慢性病和变胖的危险。

If you workout for longer or more often, you further improve your fitness and reduce your risk of chronic disease and weight gain.

youdao

如果你拿不准是否应进行这种锻炼，咨询一下医生好了。

If you are in any doubt as to whether you should be doing these exercises, consult your doctor.

《牛津词典》

No, no. But if you have a UROP, or you have a sports practice or something, we will allow that.

不行，但是如果你得到本科生研究计划，或者你要进行体育锻炼，我们是能够接受的。

麻省理工公开课 - 固态化学导论课程节选