on one's feet
01
站起来了, 康复了
in good health after a period of illness or injury
习语
例子
After the surgery, it took him a few days to be back on his feet.
手术后，他花了几天时间才重新站起来。
02
发展迅速, 蒸蒸日上
used to refer to a company, organization, etc. that is prosperous and developing rapidly
习语
例子
The startup is finally on its feet after two difficult years.
这家初创公司经历两年困难后终于发展迅速了。
