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.
As such, a crucially important implication is that in studying connections between various aspects of implementation and the effectiveness of programs, we need to be alert to factors that may be confounded with differences in implementation.
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.