It's an honor to (do something)

When you get special recognition or a special opportunity from people that you respect highly, it's "an honor". You can use this phrase in sentences like these: 

It's an honor to meet you.

It's such an honor to be invited to speak to you all here today.

I don't even care if I win. It's an honor just to be nominated!

This phrase is rather formal. When you use it, you sound very thankful and humble.

This phrase appears in these lessons: