Put this clip at the reaction beat immediately after a reveal in your edit, then follow it with the no no wait wait sound if the character tries to backtrack, or place the sudden suspense sound just before it so the sequence builds into the reaction.
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This is a very brief nervous reaction clip, lasting under a second, built for that tight, caught-off-guard moment. It lands as tense and awkward in a funny way, the kind of instant fluster listeners recognise straight away when a situation turns uncomfortable and nobody has a smooth reply ready for it.