Place this clip as the final beat after an on-screen question, with no follow-up line after it. For a bigger build, put a Dun Dun Dun Sound Button before the reveal, then let this answer close the scene, or follow a confident claim with an Anime Wow Sound Button first.
關於此聲音
This is a very short clip, just over a second long, of a voice making a flat, mumbled 'mgmm' sound with no actual words. It lands as awkward and vaguely dismissive, like someone agreeing without committing to anything, which makes the tiny utterance feel funnier and more pointed than a proper spoken reply would.