这是我的荣幸用英文表达为：Its my pleasure；

pleasure：

n.高兴;快乐;愉快;欣慰;满意;玩乐;休闲;乐事;快事

vi.使高兴;使满意觉得高兴;享受;寻欢作乐

相关介绍

It's my pleasure to help other people learn about china.

帮助别人了解中国是我的荣幸。

No need to give me anything. it's my pleasure.

我不能收，一场街坊嘛。

Let me help you, it's my pleasure.

让我帮你，这是我的荣幸。

It's my pleasure to meet so many friends from the press.

很高兴与各位记者朋友见面。

It's my pleasure to explain the relative policy to you.

我很高兴向您介绍相关的政策。

It's my pleasure. I hope I can help with your investigation.

这是我的荣幸，我希望能为你们的调查帮点忙。