unregenerate

那个顽固的罪犯拒绝接受任何改造，依然毫无悔意。

The ___unregenerate prisoner refused all rehabilitation and remained remorseless.

尽管大家都劝他戒烟，这位顽固的烟民依然拒绝改变。

Despite everyone's advice to quit smoking, the ___unregenerate smoker still refuses to change.