当别人问你一个问题，而你确实没有任何线索或答案时，用这句话来表示你和对方一样困惑。

• “Why is the train so late?” “Your guess is as good as mine.” ^{“火车为什么迟到这么久？”“我也不知道啊。”}
• “Do you think it will rain?” “Your guess is as good as mine.” ^{“你觉得会下雨吗？”“谁知道呢。”}
• “Where did she go?” “Your guess is as good as mine.” ^{“她去哪儿了？”“我也正纳闷呢。”}