But sheer chance might bring one near enough to reveal the ship to them.

The other I heard of by sheer chance, and am far more concerned about.

"But it was sheer chance that you came by, right when we happened to be in Moscow."

"One of my students happened on it by sheer chance."

It was sheer chance that I saw him again afterwards.

It was sheer chance that he had ever come to hear them.

As always, we needed good information, and sometimes this came our way by sheer chance.

It was sheer chance and not any skill at all.

She was in the apartment by sheer chance and he talked her out of leaving.

Whatever I got out of this was from sheer chance and a fast gun.