Could you please just go away; I need some uninterrupted time to think.
I sincerely hope this frustrating ache in my knee will eventually go away.
The sudden laughter seemed to go away as soon as the unexpected news was announced.
If you keep making those comments, I'm going to tell you to go away.
The detective realized that the mystery couldn't just go away without a solid culprit.
Can you stop telling me that, please?
Haha, just kidding. You gotta go away!
Seriously though, leave me alone.
Please go away, I need some quiet time right now.
I need silence now, so please leave me alone.
Could you please exit? I require some peaceful solitude immediately.