Smell a Rat

The video tutorial introduces the idiom 'smell a rat', explaining its meaning as sensing something suspicious. It delves into the historical context where dogs were used to detect rats in English towns, which led to the idiom's origin. The tutorial concludes by reinforcing the idiom's meaning in modern usage.

Can you explain the historical context of the phrase 'smell a rat'?

What does it imply when someone says something doesn't feel quite right?