ring false

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ring false

To seem or sound false, insincere, inauthentic, or deceitful. I personally think that their reasoning rings a bit false. The actor's vacuous, overblown performance is sure to ring false for anyone who grew up in that part of the country.
See also: false, ring

ring false

Also, have a false or hollow ring ; strike a false note. Seem wrong or deceitful, as in Her denial rings false-I'm sure she was there when it happened, or His good wishes always seem to have a hollow ring, or Carol's congratulatory phone call really struck a false note. Ring false and the antonym, ring true, which means "seem genuine," allude to the old practice of judging a coin genuine or fake by the sound it gives out when tapped. This practice became obsolete when coins ceased to be made of precious metals, but by then the idioms were being used to refer to other matters. [Mid-1800s]
See also: false, ring

ring ˈtrue/ˈfalse/ˈhollow

seem true/false/insincere: What you’ve said about Jim just doesn’t ring true. Are we talking about the same person?His apology rings a little hollow.
See also: false, hollow, ring, true