奇き声せい

noun

strange voice; weird cry; odd sound

Refers to an unusual, eerie, or unnatural voice or cry, often startling or out of place.

• 夜よ中なかに隣となりの部屋へやから奇き声せいが聞きこえた。

  I heard a strange voice from the next room in the middle of the night.

• 彼かれは突とつ然ぜん奇き声せいを発はっして走はしり出だした。

  He suddenly let out a weird cry and started running.