From the given options choose the word that most clearly explains the idiom-
"To smell a Rat"
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → To suspect a trick or deceit
To smell a rat is to suspect that something is wrong, that someone is playing a trick, as a cat or dog senses a hidden rat by its smell.
Example: When the stranger offered to double her money, she smelt a rat.