They will scourge thee, the stony-hearted wretches!

他们会鞭打你，这些铁石心肠的坏蛋！

youdao

It also sees them as ideologues, as stony-hearted political activists.

也把他们看做意识形态的偏执者，固执的政治活动家。

耶鲁公开课 - 现代诗歌课程节选

Democrats hope that all this will dent Mr Romney's prospects among Hispanic voters, many of whom see Republican fulminations against illegal immigration as stony-hearted, if not racist.

ECONOMIST: Immigration politics