Select the most appropriate meaning of the given idiom.
Know like the back of one’s hand
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. to have detailed knowledge of something
The meaning of the given idiom is:-
Know like the back of one’s hand : to have very good and detailed knowledge of something.
As the meaning of the given idiom is the same as the chosen option it will be correct.