Nothing disconcerts scheming men more than blunt honesty.
"The White Squaw"
Mayne Reid
The price paid in advance for the exaltation described by Saint John disconcerts me."
"En Route"
J.-K. (Joris-Karl) Huysmans
But the trouble is that, usually, the party of the second part also has a plan, which entirely disconcerts the first.
"The Honorable Peter Stirling and What People Thought of Him"
Paul Leicester Ford