9. When I was running, I sprained my ankle.
我跑步的时候扭到了脚踝。
还能这样说：
I stumbled and gave my ankle a painful wrench while running.
I twisted my ankle when running.
应用解析：
a bad sprain 严重的扭伤；
sprain one's wrist 扭伤了手腕；
suffering from a sprained ankle 踝部扭伤
10. I like to jog with my parents in cool weather.
我喜欢在凉爽的天气里和父母一起跑步。
还能这样说：
I prefer jogging with my parents in cool weather.
I am fond of jogging with my parents in cool day.
应用解析：
Save your breath to cool your porridge.
不要白费口舌了。
11. All the students had to take part in the training run, with nobody excepted.
所有的学生都参加跑步训练，无人例外。
还能这样说：
It was without exception that all the students had to participate in the training run.
Each and all students had to attend the training run, with no exception.
12. A walkman can relieve the boredom of running.
跑步时带着随身听就不那么乏味了。
还能这样说：
You will find running less boring if you take a walkman with you.
A walkman can make your running more interesting.
应用解析：
relieve oneself 解手，大便；
relieve sb.'s mind 解除某人的忧虑；
relieve one's feeling 发泄感情