Things happen under the surface all the time, every day.

Something very large was moving just under the surface of the river.

So, the old nature is still just under the surface.

These fish live just under the surface of the water.

But everyone knew it was present, just under the surface.

Something was moving as if it were just under the surface of the air.

Was she under its surface and far ahead, or had he not reached her yet?

She got up on a rock that was just under the surface of the water, trying to see better.

But in the South, there's always a lot under the surface.

"Under the surface there is a lot of life and movement that you cannot see from above."