I believe that as long as I work hard, my dream will come true. 这句才正确.
The film tells us that if they work hard, dreams will come true 望采纳。
I believe that I will progress a lot by personal efforts and other's guidance. 希望有帮助。。。
对的 人无论在什么情况下都要努力一些 努力的人的人生是不会差的 加油一些就好了不
hard比try更接近中文的原意。不过hard是形容词或者副词，不是动词，所以必须加一个动词。因此不能说I hard，应该说I am hard或者I study hard。
I believe that if I work hard, I will become a famous author one day.
I believe that if I continue to work hard then one day, I'll achieve my dream.
I believe that as long as I try my dream will become a reality "
we beleive,we will succeed as long as after struggle.
I believe that as long as I did my best, I will success