brutishly

adverb [方式副词]残酷地；粗野地

A brutish king will be deeply disliked by his subjects. Someone who's brutish is uncivilized in some way.
一个粗暴的国王会遭到臣民们的强烈厌恶。而一个粗暴的人在某种程度上是不文明的。