Cách sử dụng
The expression "one in a million" is used when we want to praise or describe someone or something as very unique or special. It means that out of a million people or things, only one stands out in a positive way. So, for example, if you say "My friend is one in a million", you mean that she is a very rare and exceptional person. We usually use this expression to show admiration or appreciation for someone's qualities or abilities.