It's been a pleasure working with you.

跟你工作的这段日子我非常愉快。

It's been a pleasure..

It's been a pleasure to do/doing

...是我的庆幸/让我感到非常开心

It's been a pleasure to be here.

能够来到这里是我的荣幸。

It's been a pleasure to be invited to attend this meeting.

能够被邀请来参加这个会议是我的荣幸。

It's been a pleasure knowing you.

能够认识你是我的荣幸。

A:I have applied for a transfer.

我已经申请调职。

B:Really?Do you mean that you are leaving?

真的吗？你的意思是你要离职吗？

A:Yes,I think it's time to move on.I've already been here too long.

是的。是该有所改变了。我在这儿待了太久了。

B:Where do you want to go?

你想到哪儿去呢？

A:Well.I want to be transferred to the Shanghai office.

我想调任到上海办事处。

B:I will miss you.But anyway I wish you every success at your new post.

我会想你的。但不管怎么样。祝你在新的岗位上一切顺利。

A:Thanks.It's been a pleasure working with you.

谢谢。跟你工作的这段日子我非常愉快。