短语
中文翻译：Unknown
同义词：
['have no idea', 'be clueless', 'have no clue']
例句：
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1. I'm not having a clue about what to do next.
我对于下一步该怎么做完全不知道。
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2. She had no clue that her boss was cheating on her.
她完全不知道她的老板在欺骗她。
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3. He was clueless about the answer to the problem.
他对这个问题的答案一无所知。