Place it at the exact moment you enter frame or interrupt a line, then let the next line play, and add a Bruh Meme hit on the cut to the other person's reaction if they look annoyed.
关于此声音
A short spoken clip of a voice saying the Italian word 'Scusi,' meaning excuse me, lasting about five and a half seconds. It lands as politely awkward and a little theatrical, the kind of formal interruption that turns a small bump or interruption into a comic moment of exaggerated manners.