I know you're an Army doctor and you've been invalided home from Afghanistan.

我知道你是个军医，刚从阿富汗因伤退役回来。

I know you're an army doctor and you've recently been invalided home from Afghanistan.

刚从阿富汗因伤退役回来我知道你有个挺有钱的哥哥很担心你。

I had been invalided home from the Front; and, after spending some months in a rather depressing Convalescent Home, was given a month's sick leave.

我从前线病残回家； 在一个相当令人沮丧的疗养院度过了几个月之后， 她得到了一个月的病假。