"I saw the two of you talking outside under the sky."

But then I heard a whispering sound, as if someone was talking to himself under his breath.

These two groups could not possibly talk to one another under any circumstances.

"They would call year round, not just tax season, and talk about everything under the sun."

We spent the next several days together, just hanging around, talking about everything under the sun.

It's just as if they were talking to one another under their breath!

He kept talking under his breath, but Arthur couldn't hear him.

I needed lungs only for talking, and who wants to talk under water?

He also looked the type who would talk under pressure.

It was a little like talking to someone under water.