Place it at the end of the setup, just before the plan goes wrong, then follow the collapse with the emotional damage sound for the reaction and a buzzer to close the failed attempt.
关于此声音
This 7.6-second Russian voice clip delivers the line about a magnificent plan reliable like a Swiss watch in a calm, assured tone. The contrast between that steady confidence and the disaster it usually introduces makes it sharply funny and sarcastic. It comes from Russian meme culture, where it is used to puncture overconfident schemes just before they fail.