She had formed a somewhat mistaken estimate of him already.

And we shall hereafter see that to this mistaken estimate she adhered almost to the end.

The world's mistaken estimate of greatness.

These difficulties, we think, arise in many cases from a mistaken estimate of the negro character and capabilities.

"But"-hesitatinga little-"Saraknows so little of the man, apparently, that she may have formed a mistaken estimate of his character.