After a moment or two, a quiet but distinct hiss starting coming from the ventilators.

The two women stood for a long time, clinging to one another, listening to the quiet hiss of the damp candles.

He took a long draw at it and let the smoke out with a quiet hiss.

He let out his breath with a quiet hiss.

Water ran from his sleeves and dripped with small quiet hisses.

He could hear the quiet hiss of the Bunsen burner.

Behind it, the wall slid back into place with a quiet hiss.

He let the smoke out in a quiet hiss and smiled.

The human touched a button; the box, which had been letting out a quiet hiss, became completely silent.

She drew in her breath with a quiet hiss.