no idea
1
不知道, 完全没有头绪
used to express complete lack of knowledge or understanding about a particular topic, question, or situation
- No idea, I haven't thought about it yet.
不知道，我还没想过。
- No idea, I was out all afternoon.
不知道，我整个下午都在外面。
- No idea, I'm terrible at guessing.
不知道, 我猜得很糟糕。