英语中译英

他稳定的表现使他顺利被大学免试入取
He stability of the university of his success was not used to take the exam
坚持你应该做的事情，总有一天你会得到回报
That you should do one day, you will be remunerated

His stable performance got him to gain his admission to the university without examination successfully.
Adhere to what you shoud do ,and one day you will be rewarded!

His steady performance made him addimited to the university without examination smoothly.
Adhere to the things you should do, one day you will be rewarded

His smooth and stable performance so that he was admitted to adhere to the University of exemption you should do, one day you will be rewarded