Cách sử dụng
The expression "cost somebody dear" means to cause someone to pay a high price, either in terms of money, time, effort or emotion, for something that they have done or experienced. For example, if you made a mistake that costs you a lot of money, you might say that it cost you dear. Similarly, if you lose a loved one or suffer a personal setback due to your actions, you could say that it cost you dear emotionally. Overall, it conveys a sense of loss or sacrifice that someone has made in order to achieve or obtain something, and it is often used to describe a negative outcome or consequence.