Question

谁能帮我分析一下这句话的语法结构，后半句的。谢谢

But in an old man who has known human joys and sorrows,and has achieved whatever work it was in him to do.

Answer 1

能不能把整句写下来，要根据前后文来理解 单句实在不知道在说什么

追问

新概念四第11课课文

追答

in an old man,表示对于一个老人来说，in 表示性格方面；

who has known human joys and sorrows, and has achieved whatever work it was in him to do是定语从句，修饰old man，表示一个深知人间悲欢并且成就了他所做的所有事情的老人；
而whatever work it was in him to do表示他所能做的任何工作。这是固定用法，就不要去纠结为什么这么用了，记住就行了以后自然就有语感了

Answer 2

Some old people are oppressed by the fear of death. In the young there is a justification for this feeling. Young men who have reason to fear that they will be killed in battle may justifiably feel bitter in the thought that they have cheated of the best things that life has to offer. But in an old man who has known human joys and sorrows, and has achieved whatever work it was in him to do, the fear of death is somewhat abject and ignoble...

--BERTRAND RUSSELL How to grow old from Portraits from Memory