get back on his feet 恢复
Maybe we did good, helping Ross get back on his feet.
搞不好我们做的是好事 帮助罗斯早点恢复正常
Once you're got back on your feet, you will feel quite differently about your work.
一旦你恢复健康，工作起来就会感到大不相同了。
I know he will get back on his feet sooner or later.
我知道他迟早会东山再起的。

a lost art 失传的艺术
Yes,some would say that is a lost art.
这的确是失传的艺术