narcissism

他的自恋让他总是忽视别人的感受。

His ___narcissism makes him constantly ignore others' feelings.

她总是对着镜子欣赏自己，表现出明显的自恋倾向。

She always admires herself in the mirror, showing obvious ___narcissism.

他的极端自恋对与同事的关系产生了负面影响。

His extreme ___narcissism negatively affected his relationships with coworkers.