Bedeutung von “mystery” — Learner’s Dictionary

mystery

noun us uk /ˈmɪstəri/
STRANGE EVENT [ C, U ]

B1 something strange or unknown that cannot be explained or understood:

an unsolved mystery
He never gave up hope that he would solve the mystery of his son's disappearance.
He's out of work, so how he pays his rent is a mystery to me (= I cannot explain it).
STORY [ C ]

a story, often about a crime, in which the strange events that happen are explained at the end:

a murder mystery

(Definition von “mystery noun” aus dem Cambridge Learner's Dictionary © Cambridge University Press)