To take something with a grain of salt means to take what someone says lightly, especially with advice.
To be skeptical; to not believe something that you are told.
Having doubts about the truth or accuracy of what they say.
1. Grandpa Joe likes to tell us stories but we take them with a grain of salt because he exaggerates.
2. The information you find on the internet should be taken with a grain of salt.
3. I’m getting the news second hand so take it with a grain of salt.
4. Here’s some advice about stock tips. Take them with a grain of salt!
depending on, doubtfully, doubtingly, dubiously, granted on certain terms, guarded, limited, provisional, questioningly, restrictive, suspiciously, tentative, with reservations, with strings attached