A: I failed in the exam again. I should have prepared for the exam.
B: There's no point crying over split milk , as long as you study hard in future.
A: I will. But I have some difficulties in learning physics. Will you please help me?
B: OK. If you have any question, just come and ask me.
cry over spilt milk
Cry over the spilt milk的意思是：为已经发生的事情而无法补救的事情懊悔，覆水难收。
e.g. You have lost the game but don't cry over spilt milk.
e.g. Don't cry over spilt milk. Just call her and apologize for what you said.
e.g. "There's no use crying over spilt milk. "she said, " It's too late. "
1. fail in the exam：考试失败
e.g. By my calculation, 5% of the students will fail in the exam.
e.g. He studied hard only to fail in the exam.
2. prepare for：为......做准备
.g. She decided to forgo the party and prepare for the English exam.
e.g. Then what should a secretary do to prepare for a meeting?
3. as long as：只要......
e.g. They all continued their regard for me as long as they lived.
e.g. You can stay as long as you pay the rent on time.
4. in future：今后
e.g. In future he will have to fend for himself.
e.g. She envisaged her married life in future.
5. have some difficulties in: 在......上有困难
e.g. I have some difficulties in pronunciation.
e.g. You may have some difficulties in arranging railway transportation, I guess.
6. There's no point in doing something. 做某事没有用。
e.g. There' s no point in wasting time.
e.g. There's no point in getting worked up about it.
e.g. There's no point having wishes if you don't at least try to do them.