The easy air of friendship between them fell away.

The breeze passed and the air fell still again, save for the sound of crickets outside.

An air of dismay and consternation fell upon them all.

The air fell quiet again, and about him Smith gradually became aware of a dawning light.

The air from the corridor fell across him like a cool autumn breeze.

"You were very beautiful tonight," he said, and my casual air fell by the wayside.

In the silence which followed an air of constraint fell over the party.

And the air that carries them is moving upwards faster than they're falling.

The air in the cave fell silent and still.

After a second or two the air fell still.