get down to cases
To begin doing something with the seriousness or determination the action requires; to begin doing what needs to be done. OK, let's quit fooling around and get down to cases. Ladies and gentlemen, welcome to our offices. Let's get down to cases, shall we?
get down to cases
to begin to discuss specific matters; to get down to business. When we've finished the general discussion, we'll get down to cases. Now that every one is here, we can get down to cases.