She was racked by doubts.是什么意思？

She was racked by doubts.

她满腹疑虑, 痛苦极了。

she

pron. 她，它；

例句
Her lover walked out on her after she had aborted their child.
她的情人在她打掉胎儿后甩了她。

was

v. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质（ be的过去式 ），在，存在，不受干扰；

例句
There was a terrible sadness in her eyes...
她眼神中流露出深深的悲伤。

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。

by

prep. 在…旁边，表示方式，由于，经过；adv. 经过，表示保留或保存时用，短暂拜访；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

doubts

n. 怀疑，疑虑( doubt的名词复数 )，未确定；v. 怀疑，疑惑( doubt的第三人称单数 )；

例句
Perhaps you've some doubts about the attack. In that case it may interest you to know that Miss Woods witnessed it...
你也许对这起袭击还有些怀疑。那么如果我告诉你伍兹小姐亲眼目睹了这起事件，你可能会感兴趣。