Put it just before the action starts, after the build-up, then follow it with It Was At This Moment He Knew to mark the turning point, or use Reload Gun first when the scene is about a weapon, letting this question land as the final challenge before the payoff.
关于此声音
This is a short, under-two-second Batman line in which a firm male voice demands to know where the trigger is, each word clipped and urgent. It feels tense and confrontational, like a standoff reaching its breaking point, and it works because the question sounds both impatient and threatening. The clip comes from Batman.