She smiled a brief second, allowing herself a soft, nervous chuckle.

As a nervous chuckle ghosted up from another part of the room, the teacher glared in that direction and added.

To her astonishment, a nervous chuckle bubbled out of him.

A few even suggested huge deviations, he added with a nervous chuckle.

He let out a nervous chuckle, but Rene didn't even flinch.

That elicited what sounded like a nervous chuckle out of the woman.

She made a sour face, and Mark had to suppress a nervous chuckle.

He laughs, a kind of nervous chuckle as if he knows where I'm going.

She shook her head, giving a slight, nervous chuckle.

"Or perhaps to poison it," said the Orion with a nervous chuckle.