happy是形容词，happy的副词是happily 快乐地;高兴地;

happy

adj.感到(或显得)快乐的;高兴的;给予(或带来)快乐的;使人高兴的;幸福的;表示祝愿

扩展资料

I'll happily help, if I can.

如果我能帮忙，我倒很乐意。

She married the prince and they lived happily ever after.

她与王子成了婚，从此过着幸福的生活。

The children were playing happily with their toys.

孩子们正高兴地玩着玩具。

And they all lived happily ever after.

从此以后他们都过着幸福的生活。

Happily, the damage was only slight.

所幸的是，损伤不大。