如果学习用功的话，就不会考试不及格了。
他是一个学习用功的孩子，成绩在班上一直名列前茅。
He was a studious-looking boy and was at or near the top of the class through all the years.
他今年才25岁，学习用功，反应极快，这都有助于他日后的成功。
He is only 25 years old, his hard-working and quick mind will be helpful for his future success.
如果你过去学习用功一点，现在也不必象这样为即将来临的考试忧心如焚了。
Had you worked a bit harder, you would not have to be so extremely worried about the coming examination now.
如果你过去学习用功一点，现在也不必象这样为即将来临的考试忧心如焚了。
Had you worked a bit harder, you would not have to be so extremely worried about the coming examination now.
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