帮忙看看这段英文有没有问题 谢谢

题目

帮忙看看这段英文有没有问题 谢谢
Nothing can we get if we did not put much effort to it, if we want to get something we need, we must work for it. None of the great scientists and popular mans in the history getting famous without work hard.As a student, we must work hard too. If we do not work hard, we can not get desirable job when we need to find a job after graduate from school.I think that hardworking is the key to success

答案

mans ---men
getting famous---becoming famous
without work hard---without working hard