expression, godan verb (-ru)
get to the main subject; move on to the main topic; get down to business
Used when shifting from preliminaries to the core point of a conversation, meeting, or presentation.
前置きはこれくらいにして、本題に入りましょう。
Let's stop the preliminaries here and get to the main subject.
彼はすぐに本題に入った
He quickly got down to business.