detective

In a sentence

• Detektiven undersöker fallet noggrant.

  The detective is investigating the case thoroughly.

  Here, 'detektiven' refers to a specific character who is a professional investigator.

• Barnen lekte att de var detektiver och letade efter ledtrådar.

  The children pretended to be detectives and searched for clues.

  In this sentence, 'detektiver' is used to describe the children role-playing as investigators.

• Den boken handlar om en privatdetektiv som löser mysterier.

  That book is about a private detective who solves mysteries.

  Here, 'privatdetektiv' specifies the type of detective, emphasizing private investigation tasks.