一人ひとりっきり

noun, adverb

all alone; by oneself

Emphasizes being completely alone, with no one else present. Often used adverbially.

See also: 一人きり

• 彼かれは一人ひとりっきりで部屋へやにいた。

  He was all alone in the room.

• 一人ひとりっきりで旅りょ行こうするのが好すきだ。

  I like traveling by myself.