1.   A nervous laugh, because she was beginning to feel uneasy.

2.   He let out a nervous little laugh.

3.   Marie said with a nervous laugh as she gave him a dime.

4.   She was a shy, quiet woman in her mid-twenties with a tinkling nervous laugh.

5.   The silence that followed was finally broken by a nervous laugh from one of the men-at-arms.

6.   At first she was silent, then she gave a nervous laugh.

7.   Rory gave a nervous little laugh.

8.   A nervous laugh escaped Charity.

9.   At this she gave a nervous laugh.

10.   Biotech consultant Cynthia Robbins-Roth drew a nervous laugh with her opening remarks.