He jerked slightly when a voice sounded behind him a few minutes later.

Almost immediately the elevator jerked slightly and then started upward.

Then he jerked slightly, seeing it, and looked up, eyes wide.

She laid a hand on his arm and he jerked slightly.

Then he jerked slightly, as if startled, and looked over his shoulder.

She jerked slightly as the man brushed against her.

She jerked slightly at the contact, like the touch of a live conductor.

She reached out to touch him, and he jerked slightly, turning toward her in the blister.

He jerked slightly as someone nudged him on the shoulder.

As Conan watched, the fish jerked slightly: something must be feeding on it from below.