I let it out with a long hiss between clenched teeth.

But her throat was dry and nothing came out except a long fading hiss.

His breath comes out in a long hiss, and the silence is broken.

Slowly, he let the air escape in a long hiss.

Thrashing, she forced out her breath in a long hiss.

Leo let out his breath in a long hiss, but didn't say anything.

The creature arched its neck and let out another long hiss.

As he did so, perfectly clear in the still black air, he heard a long hiss.

He let it out between his teeth with a long hiss.

The long hiss that followed conveyed both horror and respect.