to smell a rat …to be suspisious//to hunt mice
To smell a rat is to have a feeling that something is not right with something.
Like, something about this guy doesn’t sit right with me, I smell a rat!
[size=150][color=red]smell a rat
to think or suspect that something is wrong about a situation
She smelled a rat when her husband came home with lipstick on his collar.[/size]
