The only sound was the faint whirr of the electric calendar dock, which would warn him when the voyage was coming to its end.

The Hybrid's electric powertrain emits faint whirrs and whines during braking and low-speed driving.

Bolan could hear the faint whirr of the ventilation that aired this underground London complex.

The machine hummed to life with a faint, preliminary whirr.

With a faint mechanical whirr, the chair slowly turned to face Trip and Phuong.

I could hear the faint whirr of air-conditioning and the sound of muffled voices from behind closed doors.

The apartment was totally silent, except for the faint whirr of the refrigerator in the kitchen.

The hand tool made a faint electronic whirr.

There was the faint whirr of a car starting up outside in the open.

The night was warm and very still; he could hear the faint whirr of its wings.