Question

What are the two central features underlynig an idiom?

Answer 1

1. The meaning of an idiomatic expression cannot be deduced by examining the indiviual words that make up the expressions
2. The expression is fixed both grammtically and structurally.

Answer 2

1) the meaning of an idiomatic expression cannot be deduced by examining the individual words that makeup the expression
2) the expression is fixed both grammatically and structurally