From Longman Dictionary of Contemporary Englishtake something with a pinch of salttake something with a pinch of saltBELIEVEused to say that you should not always completely believe what a particular person says You have to take what he says with a pinch of salt. → pinch
Examples from the Corpus
take something with a pinch of salt• But since he never even notices that Howard is himself Howard takes this with a pinch of salt.• It's best to take what he says with a pinch of salt - he's always exaggerating.• You have to take most things Dave says with a pinch of salt. 