Idioms and Expressions
What does the expression "under the weather" mean?
Feeling sick or unwell.
What does the idiom "cost an arm and a leg" mean?
To be very expensive
What does the idiom "once in a blue moon" mean?
Something that happens very rarely
What does the idiom "hit the books" mean?
To study hard
What does the phrase "let the cat out of the bag" mean?
To reveal a secret