One minute passed; then a slight hiss came through gloom.

There was a slight hiss as the ground beside the couple turned into vapor.

There was a slight hiss, a heavy feeling, and blackness.

After a pause a slight hiss could be heard again.

Without a care, Charlie closes the metal door behind himself and there's a slight hiss.

There was a slight hiss from behind the curtain, then the sound of a wheel being spun.

A slight hiss of escaping air could be heard as it entered.

There was nothing at first, and then, from the outside of his helmet, he could hear a slight hiss.

There was a slight hiss to her speech which Yalith had never heard before.

There was the slight hiss of a long-distance connection, and then the phone at the other end rang.