Strike a false note informal verb phrase
To convey or give the feeling that something is improper, dishonest, or deceptive.
I thought that his story struck a false note, but I couldn't put my finger on what it was.
I was aware of a certain constraint in his dealings with me. It seemed that it struck a false note with me.
Seem to be very suspicious or morally unacceptable
Used to imply that someone is acting as if he or she is demure, innocent, sincere or reserved but they may be not
To be dishonest or deceptive and no one can believe
Very dishonest and deceptive
If a remark or action is uncalled-for, it is not fair, suitable, or deserved.
The verb "strike" should be conjugated according to its tense.