Place it right after the failed moment in your edit, then follow it with Sad Violin to stretch the gag, or cut to Oh My God Wow when you want the let-down to flip into surprise.
关于此声音
This short clip lasts just under three seconds and pairs a sigh with the spoken Portuguese line 'nem deu pro cheiro.' It feels weary, unimpressed and faintly amused, like a reaction to something ending before it had a chance to begin. The sigh does most of the work, turning a small disappointment into a joke you can hear in one breath.