be confounded

See: lose
References in classic literature ?
O Lord our God, in whom we believe and in whom we put our trust, let us not be confounded in our hope of Thy mercy, and give us a token of Thy blessing, that those who hate us and our Orthodox faith may see it and be put to shame and perish, and may all the nations know that Thou art the Lord and we are Thy people.
I mistrust that by his coming back of his own accord, and showing himself innocent before them all, some one would be confounded, who - to prevent that - has stopped him, and put him out of the way.
The same dark possibility had presented itself in the same shapeless guise, this very day, to Sissy, when Rachael spoke of some one who would be confounded by Stephen's return, having put him out of the way.
It is natural to expect a generation brought up on SOM, Kipnis and herbal tea to be confounded by these creatures creeping out of valleys with a thousand years of ironworking, wood crafting, leather thong honing mixed in with stories from professors who do sensitive or quirky buildings.
And that red- lipstick writing on the album cover is hers, but a handwriting expert might be confounded.