请高手用英语翻译，兄弟英语不好，先谢谢了

I was resigned PubMed, because working there for two years, so many of the University of inside knowledge learned have forgotten, but I was determined to PubMed, every day I get up early and stay up late, although the school's very hard, but the results do not Great. After 6 months of preparation, I took the exam, fill out later, feeling bad, especially in mathematics and English. In the winter, I have been very worried about their own achievements, it had a very happy New Year, Chinese New Year, I have to find a temporary job performance while working, etc. ,on tne second of Febuary, results have fallen down, score is not high, But I am satisfied, I feel my pay has paid off. Once again, I quit my job back to school to participate in re-examination, re-testing a good test, I was admitted, I am very happy. Because of this experience, I realized: there is nothing difficult, as long as you work hard, anything is possible.

I quit because of one's deceased father grind, to