Select the most appropriate meaning of the underlined idiom.
My uncle lives in New York, so I only see him once in a blue moon.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. Not very often.
The idiom 'once in a blue moon' means something that happens very rarely or infrequently.
It refers to an event that occurs so seldom, much like how a blue moon is a rare occurrence.
Example: Rajen comes round once in a blue moon.
The other options don't fit.