翻译:
Translate the following sentences into Chinese.
1. 约翰是个精力充沛的学生。他正在写关于市场经济的论文。
2. 保尔已积攒了足够过一个星期的钱。
3. 要在暑假找一份令人满意的临时工作不太容易。
4. 没有正式的邀请信,你不会被允许进入大厅。(access to)
John is a energetic student.He is writting a thesis about market economy.
Poul has saved enough money that can support him a week.
A satisfied job that is temporary is not easy to be found in summer holiday.
You won't be access to the hall without formal invitation.