He also sat and leaned against the hard wall.

He leaned back against the hard wall beside the bunk.

I sat with my back against a cool, hard wall.

She pressed her hands against the hard wall of his chest.

Her arms folded against the hard wall of his chest.

She pressed her cheek closer to the hard wall of his chest.

Our theories are only dancing shadows against a hard wall of reality.

"How might we attack the problem if this fire were a solid wall, too hard to break?"

I stood with my back against the hard wall, wondering what plans she had for me.