It's impossible to rehearse the best responses to wild-card interview questions, since, by definition, they are unpredictable.
你似乎不能预先排练面试中这些未知问题的答案，因为它们是不可预知的。
Rehearse and role-play the interview with a friend beforehand.
事先和朋友通过角色扮演排练一下面试。 。
Practice answering difficult questions before the interview. Rehearse answers, but work on fluently delivering the answers so they do not seem forced.
在面试前要练习回答难题，演练下答案，但要注意表达流畅，否则会觉得很生硬。
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