The court case will cost the company a fortune.
Bank loans, if available at all, cost a bomb.
Mary's dress is real silk. It must have cost a pretty penny.
•Taking care of a fancy car like that can cost a pretty penny, let me tell you.
•It cost an arm and a leg, so I didn't buy it.
•A house that size with an ocean view must cost the earth!
If you say that something cost the earth or that you paid the earth for it, you are emphasizing that it cost a very large amount of money.