to get back sth you no longer have, especially an ability or a quality 重新获得，恢复（能力或品质等）
I struggled to regain some dignity.
我努力恢复自己的一点儿尊严。
The party has regained control of the region.
这一政党重新获得了这个地区的控制权。
She paused on the edge, trying to regain her balance.
她在边缘上暂停下来，努力恢复平衡。
He did not regain consciousness (= wake up after being unconscious) for several days.
他好几天都没有恢复知觉。