trail something in something
trail something across something
trail something through something

She came to him, trailing fingers across his white tunic.

Behind the first two he saw others, in a long line trailing across the sky to the top of the cliffs.

One arm trailed across the floor at an impossible angle to the rest of the body.

William trailed along behind Flower all the way across the mountains.

I heard a tapping, the sound of metal being trailed across the floor.

The white hair felt no different than the red as it trailed across her fingertips.

They trailed by us, across the lawn toward the path.

The sun was just coming up over the far bank, trailing a red reflection across the water.

She let her fingertips trail across the smooth, cold steel.