我是来向经理报到上班的。
I am asked to report to the manager.

For example:
A: What do you wish to see him about?你找他有什么事吗？
B: I am asked to report to the manager.我是来向经理报到上班的。

我现在就开始干活吗？
Shall I begin my job now?

A: Shall I begin my job now?我现在就开始干活吗？
B: Wait a minute, please. Here is your job description. Have a look at it first.
等等,这儿有你的工作职责说明。先看一下吧。

她来的正是时候。
She couldn't have come at a better time.

For example:
A: Mr. Jones, I have Ms. Wang with me.琼斯先生，王女士来了。
B: She couldn't have come at a better time.她来的正是时候。

她可以开始工作了。
She's ready to start work.

很高兴你能加入我们的行列。
Glad to have you with us.
Very glad to work with you.

For example:
A: Glad to have you with us.很高兴你能加入我们的行列。
B: Thank you. I'm glad to be here,谢谢，我很高兴能到这里工作。

如果有什么问题可以来问我。
If you have any question，I'm the person to ask.

For example:
A: If you have any question, I'm the person to ask.
如果有什么问题可以来问我。
B: Sure, l will.好的，我会的。

希望各位在今后的工作中多多关照。
I hope you will help me in work.

你是新来的吧？
Are you a newcomer?

For example:
A: Hello. Are you a newcomer? 嗨，你是新来的吧？
B: Yes. This is the first day I come to work.
是的,今天是我上班的第一天。

关于你的工作还有什么意见吗？
Do you have anything to say about your work?

For example:
A: Do you have anything to say about your work?
关于你的工作还有什么意见吗？
B: No, Miss Jenny.没有,珍妮小姐。

我具体做哪方面工作？
What the specific work is to me?

For example:
A: What the specific work is to me?我具体做哪方面工作？
B: After you are familiar with all these jobs, we will discuss the problem.
我想在你熟悉各项工作后，再与你讨论这个问题。

你的工作说明书是怎样写的？
What does your job description say?

For example:
A: What does your job description say?你的工作说明书是怎样写的？
B: As an assistant to the director, my job requires that I prepare all incoming and outgoing overseas letters, take care of all the contract agreements and keep all the files in order.
作为主任助理，我的工作要求处理海外寄出和寄来的信件，管好所有的合同和文档。