stretch your legs
US /strɛtʃ yʊər lɛɡz/
UK /strɛtʃ yʊər lɛɡz/

1.
活动腿脚, 散步
to go for a walk, especially after sitting for a long time
:
•
Let's stop at the next rest area to stretch our legs.
我们到下一个休息区活动一下腿脚吧。
•
After hours of driving, I really needed to stretch my legs.
开了几个小时车后,我真需要活动一下腿脚。