I will work hard to get （）grades good 还是 better

I will work hard and I am sure to overtake I will work hard for Thanks,i will work hard. But I will work hard to是什么意思急 I will work hard to meet your expectation. will i have the time to work as hard i will need to?翻译以上 Work hard,and I will succeed! For this family,I will work hard I will work hard until the end I want to learn,hard work,i will not let us,you respected I work hard every day and I will try ma best to do i will work hard 和I will hard work 有何不同,总是分不清 Please b__me-your son.I will t___my best to work hard at English. I will try to work hard.中文意思请回答下 I will try my best hard to finish the work. 哪里错了 i know that it will take years of hard work to become a doctor是什么意思 I will work hard to get （）grades good 还是 better I think tomorrow will be better As long as you have to work hard啥意思.