I feel so happy.

我非常高兴。

I'm glad to hear it.

听到这消息我很高兴。

I've never been as happy as I am now.

从没有这么高兴过。

I'm walking on air.

高兴得飘飘欲仙。

I feel great!

感觉棒极了!

I'm in a good mood today.

我今天的心情很好。

Nothing could be more wonderful.

没有比这更让人高兴的了。

It's a dream come true!

美梦成真!

This is too good to be true.

这简直不敢让人相信。

What fun!

那太棒了!