Translation of "Lurking" in Japanese

Solve the mystery lurking behind the murder!

殺人事件の背後に潜むミステリーを解き明かせ。

It's been lurking in these shallow seas since before the dinosaurs.

‎恐竜の出現前から ‎この浅瀬にひっそり存在する

Just as well. You never know who's lurking in the shadows.

‎闇の中に どんな敵が ‎潜んでいるか分からない