This is the 699th most frequent Bulgarian word.
разследване
Investigation.
In this sentence, 'разследване' is used as a noun to refer to a formal investigation conducted by authorities.
Полицията провежда разследване на случая.
The police are conducting an investigation of the case.
Here, 'разследване' is used to denote an in-depth inquiry or examination performed by a journalist.
Журналистът започна разследване по темата.
The journalist started an investigation on the topic.
In this usage, 'разследване' describes the narrative exploration of secrets or events within a book's context.