find math very difficult
发现数学很难
以上为机器翻译结果，长、整句建议使用 人工翻译 。
But most of her friends tended to find math very difficult.
但她的大多数朋友都觉得数学很难学。
youdao
If all that you're willing to do is spend a couple of hours studying before each exam then you will find that passing most math classes will be very difficult.
如果你愿意做的仅仅是在考试之前花费几个小时学习，你会发现想让数学及格是件非常难的事情。
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