Place it at the exact reaction beat after the confusing line appears on screen, then follow with a huh reaction if the moment needs a second confused response, or leave it as the final beat before the next scene starts.
關於此聲音
This is a 1.5-second reaction clip built around the short spoken phrase from its title, delivered as a quick hit rather than a full line. It feels abrupt and a little baffled, the kind of sound that lands as a funny interruption when a conversation suddenly makes no sense at all.