迷めい宮きゅう入いり

noun, noun which may take the genitive case particle 'no'

going unsolved; remaining unanswered

Used for cases, mysteries, or problems that become deadlocked or impossible to resolve, often with a nuance of being lost in a maze. Common in crime and investigation contexts.

• その事じ件けんは迷めい宮きゅう入いりした。

  The case went unsolved.

• 迷めい宮きゅう入いりの難なん問もんに直ちょく面めんしている。