He argued deeply into the cluster of ideas

他发表了一系列的看法
we call free labor ideology.

我们称之为劳动意识
But then he laced the speech, over and over,

但他在演讲中一次又一次
with personal attacks on southerners,

大力抨击南方人
personal attacks on southern slave holders.

大力抨击南方奴隶主
He singled out especially senator Andrew Butler of south carolina,

他特别指出来自南卡的安德鲁·巴特勒议员
And he used Butler's alleged fathering of children

他提到巴特勒所谓的抚养孩子
by a slave woman as representative of what Sumner said

这是由一位黑人妇女作为代表说的
was a common practice across the south.

说这在南方很普遍
You could not imagine

这简直无法想象
laying a bigger taboo on your fellow southern senators than this one.

没有比这样诋毁一个南方议员更可怕的
He described Butler as,

他把巴特勒描述成