Place this clip right after a beat of sudden suspense in your edit, then follow it with a no no wait wait reaction as the pair try to explain themselves, keeping this accusation as the turning point of the scene.
حول هذا الصوت
This is a short voice clip of a speaker blurting out the line asking what the hell two people are doing, delivered in just under two seconds. It lands as a mix of shock, suspicion and awkward amusement, like catching friends in the middle of something they cannot explain, which is why the outburst feels both confrontational and funny at once.