Place it just before the reveal in an investigation edit, then follow it with a shocked reaction and the Illuminati confirmed sting to land the suspicion, saving a duck quack for a lighter follow-up gag.
关于此声音
A dog snuffles in quick, close bursts for about a second and a half, each breath sharp and eager as it works over a scent. It feels curious, nosy and a little intrusive, like an animal zeroing in on something it has just noticed. That focused, investigative energy makes it an instant comic cue for suspicion, searching and sniffing out a secret.