I did my best to prepare for it and I have gone through the notes so many times,but I still couldn't figure out the answer.
我尽最大努力准备（问题、考试等,it可能指考试,看上下文）,并且我已经看了好几遍笔记了,但我还是想不出答案.
go through - 仔细检查、仔细研究
figure out - 想出、算出、领悟出、解决出
原文翻译如上供参考,不明白可继续提问.
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