przypadkowe odgadnięcie

However, he did make a lucky guess about the screen.

This makes sure the person did not just make a lucky guess.

Perhaps it had been a lucky guess, she told herself, with no real sense of conviction.

"Did you just make a lucky guess that I'd be here before school started?"

It would have been a lucky guess, no more, until about an hour before we started.

But that seems to have been the computer's version of a lucky guess.

And sick people should be able to make their decisions on more than just a lucky guess.

What if her answer had only been a lucky guess?

It was a lucky guess, but his question had worked.

"So you're saying that was a lucky guess or something?"