It is too hard for a junior high student to work out such a difficult maths problem.
对于一个初中学生来说，解这么复杂的一道数学题是非常困难的。
Sometimes I would feel afflictive if I can't work out a maths question, while some other times, I would be very excited and comfy when I solve a problem after a long-time effort.
有时会因为做不出来一道题而难过，有是也会因为好不容易做出来一到而感到兴奋和轻松。
Sometimes I would feel afflictive if I can't work out a maths question, while some other times, I would be very excited and comfy when I solve a problem after a long-time effort.
有时会因为做不出来一道题而难过，有是也会因为好不容易做出来一到而感到兴奋和轻松。
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