Place it at the very end of a short reaction edit, after the mistake has played out in full. Build up with no no wait wait first, then let this clip close the scene instead of adding anything after it.
關於此聲音
A very short spoken reaction clip built around the phrase 'Il bag in ma-sa', delivered in one quick burst over about two and a half seconds. It lands as blunt, annoyed and dismissive, the kind of line that turns a small frustration into an exaggerated, funny outburst for everyone listening in the moment.