“Have no idea” 是一个常用英语短语，表示“完全不知道”或“毫无头绪”。以下是该短语在各种情境下的实用例句，帮助你更好地理解和使用它。
- I have no idea what he’s talking about.
- She has no idea how much I appreciate her help.
- We had no idea the party was canceled until we arrived.
- Do you have any idea where my keys are? — No, I have no idea.
- They have no idea how difficult this project really is.
- I have no idea why she suddenly left the meeting.
- He has no idea that I’m planning a surprise for his birthday.
- After the blackout, I had no idea what time it was.
- You have no idea how happy I am to see you!
- We have no idea what the future holds, but we’ll face it together.