The idiom "Once in a blue moon" is used to describe an event that occurs very infrequently. To choose the correct meaning, let's analyze the options:
Based on the analysis, the correct meaning of the idiom "Once in a blue moon" is Rarely.
The CEO's sudden resignation threw the board into a tailspin.
What does the idiom "threw into a tailspin" mean?
The politician's vague answers clearly showed he was just beating around the bush.
What does "beating around the bush" imply?
The following data shows the number of students in different streams in a school:
Which type of graph is best suited to represent this data?
What comes next in the series?
\(2, 6, 12, 20, 30, \ ?\)