求翻译：When I was in middle school, one of my classmates sit right beside me. His name is ChenLiang. He is my unforgettable person in my life.I remembered my mathematics was just mediocre at that time, but he was extraordinary and excellent in calculating and solving mathematic questions. He often received perfect scores. Of course, I wished I could reach at his level. Since we talked all day long after class, I asked how he could solve those difficult questions. He was so patient and polite to help me solve the problem. Gradually, I built my confidence at mathematics and finally passed the college entrance exam. My school life is so fool with his encourage.Now, we are apart, very busy, but I still remember his great attitude and willing in study and still was interested in mathematics. I am so obliged to my classmate, who is my friend always and forever.是什么意思？

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