I have some big news.
我有大消息要宣布。
Fantastic!
太棒了!
Wonderful!
太棒了!
Great!
太棒了!
That's great news!
真是好消息!
I'm so happy for you.
我真为你高兴。
That's very flattering.
真给面子。
I'm so flattered.
我真有面子。
It would be my pleasure.
荣幸之至。
I'd be happy to.
荣幸之至。
I would be honored.
荣幸之至。