二に重じゅう人じん格かく

noun, noun which may take the genitive case particle 'no'

dual personality; split personality

Refers to a psychological condition where one person has two or more distinct identities or personality states. Often used in clinical or figurative contexts.

• 彼かれは二に重じゅう人じん格かくの症しょう状じょうを示しめしている。

  He shows symptoms of a split personality.

• あの小しょう説せつの主しゅ人じん公こうは二に重じゅう人じん格かく者しゃだ。

  The protagonist of that novel has a dual personality.