To take with a pinch of salt is not to fully believe what you are told. Take his figures with a pinch of salt.
It is scepticism rather than accusation, since the speaker may simply be exaggerating. Americans say a grain of salt, and the phrase goes back to the Romans.
1phrasetake with a pinch of saltTo not fully believe what you are told.
“Anything he says about the catch you should take with a pinch of salt.”
take with a pinch of salt is a phrase.
Practised in Idioms