The pain racked him.是什么意思？

The pain racked him.

痛苦折磨着他.

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

pain

n. 痛苦，刻苦，令人厌烦的人[事物]，身体某部分的疼痛[不适]；vt.& vi. （使）疼痛，（使）痛苦，伤害；vt. 使…痛苦，使…烦

例句
Despite considerable pain she has been getting out and about almost as normal...
尽管还很痛，她已经基本上行动如常。

racked

v. 使痛苦，使焦虑，绞尽脑汁( rack的过去式和过去分词 )；

例句
She thought she could never stop until convulsive sobs racked her even more.
要不是自己已经泣不成声，她想她可能永远也不会停下来。

him

pron. (he的宾格)他；

例句
They said goodbye to him as he got aboard the train at Union Station.
当他在联合火车站登上火车之际，他们向他道别。