I was disadvantaged by illness.是什么意思？

I was disadvantaged by illness.

我因病而处于不利地位.

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。

disadvantaged

adj. 贫穷的，处于不利地位的，社会地位低下的；n. 不利条件；vt. 使处于不利地位(disadvantage的过去式和过去分词)；

例句
...the educational problems of disadvantaged children...
贫困儿童的教育问题

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

illness

n. 疾病，某种具体疾病，不健康；

例句
Although his mental illness had coincided with his war service it had not been caused by it...
虽然他的精神病刚好在他参战期间发作，但并不是由此引起的。