preliminary test or trial; tryout; workout; warm-up
investigation (e.g. by police or prosecutors); examination; inquiry; enquiry
investigation; research; looking something up
preliminary investigation; preliminary inquiry; preparation (for a class); going over one's lessons (in advance); studying ahead
enchanting melody; sweet tune
interrogation room; interview room; sweatbox
examination of evidence; taking of evidence
looking up the meaning (of a word)
census-taking; examining family registers
rokudan (name of a koto composition)