Place it at the end of a failed-fix sequence, after the attempt is shown, then follow it with a short reaction sound for the fallout. Use Bruh for a quick dismissal or Emotional Damage when the failure stings more.
关于此声音
This is a short French spoken line, lasting about four seconds, delivered in a flat, matter-of-fact voice that repeats the idea that something does not work on the key. Its bluntness makes it feel dryly funny and a little exasperated, like a shrug at a plan that was never going to hold together.