To “take something with a grain of salt” is to view a statement with a skeptical attitude. “She took the claim that he didn't want to be president with a grain of salt.”
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
How to use grain of salt in a sentence
If she had been able to endure the odor in Grain-of-Salt's shack, she would probably be able to bear it here.
Besides, he had made friends with Grain-of-Salt and had received a proof of his friendship in a way that flattered his greed.
Perrine went to the house to inquire of Grain-of-Salt what steps she should take to sell the wagon and dear Palikare.
After what seemed a long time they arrived at the Market and Grain-of-Salt jumped off the donkey.
These were dangerous words that might affect the sale, so Grain-of-Salt thought he ought to say something.