happy副词形式：happily

adv.快乐地;高兴地;满足地;幸运地;欣然;情愿地

例句：

I'll happily help, if I can.

如果我能帮忙，我倒很乐意

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。