Place it after the mistake is revealed, not before, so it lands on the reveal itself. Follow it with Law and Order Dun Dun for a mock-serious verdict, or lead into it with Metal Gear Alert when someone gets caught in the act.
关于此声音
This clip is a voice repeating the phrase oh man, oh god for just under twelve seconds, turning a short burst of disbelief into a long, drawn-out reaction. It gives a listener a funny, helpless feeling, like watching a small mistake grow into a disaster with no way to stop it, and laughing because there is nothing useful left to say.