keep in suspense

keep (one) in suspense

To cause one to remain in a state of anxious apprehension. Well, don't keep me in suspense—tell me what happened next! The TV show kept audiences in suspense with a big cliffhanger at the end of the season finale.
See also: keep, suspense

keep someone in (a state of) suspense

to make someone wait anxiously for something. Tell us what happened. Don't keep us in a state of suspense. Don't keep me in suspense!
See also: keep, suspense