1. You're required to complete personal information form.
你需要填写完整的个人信息表。
还能这样说：
Please fill in the personal information form.
Please fill out personal information form.
应用解析：
complete (the sum of) one's misery 祸不单行；
complete with 包括，连同
2. I want to apply a graduate school in America.
我想申请美国的研究生学院。
还能这样说：
Applying a graduate school in America is my intention.
I feel like putting in for a graduate school in America.
应用解析：
graduated pension 累进退休金；
external graduate 校外毕业生；
glass graduate 玻璃量筒，玻璃量杯；
high school graduate 高中毕业生
3. All graduate students must have GRE or GMAT scores sent to us by the testing center.
所有的研究生必须要有GRE或是GMAT的成绩，由考试中心寄给我们。
还能这样说：
We must have GRE or GMAT scores of all graduate students from the testing center.
The GRE or GMAT scores of all graduate students provided by the testing centre must be given to us.
应用解析：
send things flying 使东西被抛向各处；
send sb. packing （粗暴地）让某人走开；
send sb. down 开除（学生）；
send sth. off 寄出或发出
4. How long will you study in Japan?
在日本要学习多长时间？
还能这样说：
How long will you stay in Japan for study?
How many years will you study in Japan?
应用解析：
quick study 能快速记忆背诵的人；学新东西快的人；
study for 为……而学习；
study out 想出，解出；
study up 用功预备（考试等）
5. What's your major?
你学习的专业是什么？
还能这样说：
What are you majoring in?
What do you study?
应用解析：
the major part 主要部分；
major subjects 主修课程；
major in 攻读，专修，主修
6. I'll study abroad at my own expense next year.
我明年就要出国自费留学了。
还能这样说：
I am going to be at self-funded student in a foreign country next year.
I plan to go abroad to pursue my studies at my own cost next year.
谚语：
Gain at the expense of reputation should be called loss.
牺牲名誉而获利，应该称为损失。
7. My parents' annual income is about 800,000RMB.
我父母的年收入大约是80万元。
还能这样说：
My parents can make about 800,000 RMB annually.
Every year, my parents are able to earn 800,000 RMB.
应用解析：
an annual report 年度报告；
annual ring 年轮；
hardy annual 耐霜并的一年生植物；年年要提出的问题
8. I will come back to China when I finish my study.
毕业后我会回到中国。
还能这样说：
I will go back to China after finishing my study.
I will return China after my graduation.
应用解析：
back to bak 背靠背一个接一个；
back to front 前后倒置；
back up 支持；补充；倒退；
the back slums贫民窟