Belabour the point
Definition 1 of 1
Pro Tip 1/3Negative Tone
Using 'belabour the point' may imply irritation or frustration with prolonged discussion. 
Let's move on; there's no need to belabour the point further.
Pro Tip 2/3Cautious Reminder
It often serves as a polite cue to suggest that a topic has been discussed enough. 
I hear your concerns, but let's not belabour the point.
Pro Tip 3/3Wrap-Up Signal
It's a phrase used to signal the end of a discussion or to move on to a new subject. 
We've covered the main issues, so I won't belabour the point.