Just then a few stones slipped free from the ledge and tumbled to the beach below.

A stone slips from his hand and hits Brutus on the head.

He nearly escaped one night, but a large stone slipped and pinned him in his tunnel.

The stone almost slipped from the younger woman's grasp, but she caught it.

It was one of the few times her stone slipped.

Loose stone slipped beneath her and more than once she tumbled to the ground.

At the end of the third shelf, the stone slipped away at his touch.

Bricks and stones slipped back into place and once more were houses.

At fifteen paces the stone slipped, but he held it more firmly and walked on.

We were both shaking visibly, so that the stone all but slipped out of our grasp.