sound a false note
To indicate or give the impression that something is wrong, disingenuous, or deceitful. I know she apologized, but it sounded a false note with me—I don't believe she meant what she said.
strike a false note
To indicate or give the impression that something is wrong, disingenuous, or deceitful. I know she apologized, but it struck a false note with me—I don't believe she meant what she said.
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.