What does the idiom/phrase "to cost an arm and a leg" mean?

  1. to cause injury
  2. to be very expensive
  3. to need effort
  4. to be cheap
Answer

B) to be very expensive

Very costly. Idioms & Idiomatic Phrases · Common idioms

English MCQ · More English: Idioms & Idiomatic Phrases MCQs · Practise