Cách sử dụng
The expression "have no idea" means that you don't know something or you are clueless about a particular thing. You can use this phrase when you cannot answer a question, or when you cannot provide any knowledge or information about something. It is a common phrase used in situations where you don't have any knowledge about a topic, and you want to indicate that you are not sure or unaware. For example, if someone asks you a question about a topic that you don't know about, you can say, "I have no idea" to convey that you don't know the answer.