Each hard thud of his heart pounded against her cheek.

I heard a splash and a hard thud as he hit the sewer floor.

Finally, we hit the bottom with a hard thud.

He fell with a hard thud on to his knees.

It dropped on top of the scientist with a hard thud.

I heard the hard thud of sneakers against concrete, and turned to the stairs.

There was another hard thud, this one from over their heads.

There was a hard thud and Daniel fell heavily against her.

The green light hit each man with a hard thud.

As he had been sitting sideways on the bed his head came down with a hard thud against the wall of the cabin.