I think I can't pass the exam.
我想我考试不及格了。

Have you known the scores?
你知道分数了吗？

Not yet. But I know that for sure. I didn't finish the paper.
还没有。但是我很肯定。我没有写完那张试卷。

Cheer up. Maybe there will be a miracle.
振作起来。或许会有奇迹出现。

Come on. I've never been that lucky throughout my life. I'd better be realistic and be prepared to make up the exam.
得了吧。我的生命中从来没有那么幸运过。我最好现实一点，准备补考。