be lost on (someone)

(redirected from was lost on them)

be lost on (someone)

To have little or no impact or effect on someone; to not be valued, appreciated, or understood by someone. The human cost necessary to make these first-world comforts is a hard truth that is lost on most consumers. I fear our efforts to educate John about the perils of the city may have been lost on him.
See also: lost, on