take (something) with a pinch of salt
To consider or evaluate something, such as a statement, while keeping in mind that it may not be completely true or accurate, typically due to the unreliability of the source. Kevin said that you can get into the club for free if you wear red, but I'm taking it with a pinch of salt. Take whatever that paper publishes with a pinch of salt—it's really a tabloid.
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.