From Longman Dictionary of Contemporary Englishtake something with a pinch/grain of salttake something with a pinch/grain of saltinformalBELIEVE# to not completely believe what someone tells you, because you know that they do not always tell the truth Most of what he says should be taken with a pinch of salt. → salt
Examples from the Corpus
take something with a pinch/grain of salt• But since he never even notices that Howard is himself Howard takes this with a pinch of salt.• I try to take everything with a grain of salt.• We took her to a psychic reader about a month ago-we take that with a grain of salt. 