event, incident / matter, affair / scandal

調べる: to investigate, to look into, to study, to examine, to check up on, to look over

imperfective and stem (or continuative) forms of しらべる (shiraberu) [ichidan]

preliminary investigation / preparation for learning a lesson

research; inquiry; finding out more

begin; start; initiate; originate

Alternative spelling of 初めて

conjunctive form of 始める (hajimeru) [ichidan]

to start doing / to begin

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend