Cultivate instead a hollow, alien sound that does not seem human at all.

But now there was another sound, the alien sound of a door creaking open.

It was a completely alien sound, something that could have meant the thing was about to attack them.

If to Diego's ears the word had a vaguely alien musical sound, it meant nothing to him.

Warp six point five, he thought, translating those alien sounds into English.

"Honesty," she would repeat, her human mouth wrapped around the alien sounds.

Already our own thoughts and words have an alien sound.

I did laugh, and what a strange and alien sound it was.

The woman raised her hand and pointed, speaking a sharp, alien sound.

But this had a different sound, alien and bright.