Those were the happiest days of my life.

　　那是我一生中最幸福的一段時光。

　　Main Street won't be happy with this new program.

　　中產階級不會對這個新計劃感到高興的。

　　Happy New Year to one and all!

　　祝各位新年快樂！

　　I think we can manage quite happily on our own.

　　我想我們自己完全能夠應付。

　　This suggestion did not fit very happily with our existing plans.

　　這個建議與我們目前的計劃不十分契合。