psy·chop·a·thy
noun/saɪˈkɒpəθi/
/saɪˈkɑːpəθi/
[uncountable] (psychology)- a serious personality disorder that means somebody does not care about other people's feelings, does not feel sorry when they have done something bad, and may want to be violent or cruel towards others
一种严重的人格障碍，意味着某人不关心别人的感受，做坏事时不感到抱歉，并且可能想对他人使用暴力或残忍