誰か（だれか）— someone
部屋 に 誰か が います。
There’s someone in the room.
誰かだれか
someone
だれか
accent [1]In detail
Words
部屋heyaroom
にni(location marker)
誰かdarekasomeone
がga(marks who is present)
いますimasuis present
Kanji
誰スイ・
Adding か to 誰, “who,” makes 誰か, “someone.” Compare どこか, “somewhere,” and いつか, “sometime.”
Coco-sensei