1.   He held his breath, not wanting to make the slightest sound that might betray his presence.

2.   The slightest sound might betray his presence.

3.   The slightest sound would break his concentration.

4.   Paige strained her ears to pick up even the slightest sound.

5.   Charlie had no idea he could be so alert to the slightest unfamiliar sound.

6.   Barred ceilings allowed guards to keep a constant watch on the prisoners, who were forbidden to make the slightest sound.

7.   All the rooms faced an open inner courtyard, which wicked up and amplified the slightest sound from the lobby bar-lounge.

8.   I waited just outside the door, listening for the slightest sound of distress or trouble.

9.   The computer room is also boobytrapped so the slightest sound will set off the alarms.

10.   The slightest sound made her jump and arch her back in terror.