The second - a very remote possibility - was sheer guesswork.

Well, that three-tube system was built on sheer guesswork some time ago.

"The Laws of Probability, aided by a bit of sheer guesswork and some shrewd evaluation of the barrister's mind."

(I knew this was sheer guesswork on Vance's part, for the subject of Pardee's habits had not come up during the investigation.)

It would be sheer guesswork at this stage, Hetman.

Xenobiologists and xenopsychologists can't accept the idea that a starpilot scooped them by sheer guesswork.

And because that was the sheerest guesswork, I added, "Or maybe it got in the habit of watching too much tridee.

Such sentiments respond to surprise information, like unexpectedly high or low inflation figures, but more often reflect sheer guesswork.

Fully removing software from a computer system is often a matter of sheer guesswork.

As to what their, and our, dreams mean - that is a matter of sheer guesswork.