smell a rat
idiomPart ofrat
smell a rat — idiom
1. to begin to feel that something is not honest, correct, or safe, especially when
1.idiom
Definition
to begin to feel that something is not honest, correct, or safe, especially when others appear to be hiding the truth
Example
When the car salesman offered to cut the price by half, Nellie's father smelled a rat and walked away.
The accountant smelled a rat when she noticed that several payments had no receipts attached.