Idiom
By the rule of thumb

By the use of force
By cheating and deception
By the use of trickery
By practical experience which is rather rough

ANSWER DOWNLOAD EXAMIANS APP

Idiom
To smell a rat

To see signs of plague epidemic
To get bad small of a bad dead rat
None of these
To suspect foul dealings
To be in a bad mood

ANSWER DOWNLOAD EXAMIANS APP