示例
A：Do you know he is a spy?
B：Are you kidding? I don't have a clue.
A：你知道他是一个间谍吗？
B：不会吧，我一点也不知道。
A：Michael was very ill, but he kept going to work.
B：Oh, God! I don't have a clue.
A：麦克尔病得很重，但他坚持上班。
B：噢，天哪，我一点也不知道。