no clue

感叹词 intj.
中文释义

英文释义

感叹词 intj.
  1. Response affirming that the speaker does not have knowledge pertaining to an interlocutor's question
    — Do you know what the weather will be like today? / No clue. Why do you ask?

词源

From no + clue, as the speaker does not have a clue about the answer to the question. Most likely a shortened form of "I have no clue".
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