jałowe spekulacje

And let's have no idle speculation about how I got that name.

It was idle speculation to go back to the beginning and try to figure out what had gone wrong.

Not an idle speculation for a man who has spent his life calling out God's name.

Now, that was idle speculation, though she had made it before.

The idea had occurred to him, now and then, as an idle speculation.

Idle speculation is a habit I've never been able to break.

At the moment, I am simply engaged in idle speculation brought on by reading an old book.

There was much idle speculation in the press about whether a man would, or could, ever win the title.

Thinking about life beyond Earth is no longer the stuff of idle speculation and science fiction.

In the meantime, let them enjoy some idle speculation for a bit.