Much joy to you in the upcoming year.
愿您在新的一年里充满快乐。

Chritsmas time is for thinking of others.
圣诞佳节是思念大家的时刻。

Wishing you and your family a very merry Christmas.
祝福您及您的家人圣诞快乐。

A merry Chistmas from all of your students.
祝您圣诞快乐，您的全体学生敬上。

We'll be here after the new year.
新年过后，我们会再回来。

We won't forget you this holiday season.
放假的时候，我们不会忘记您的。

Christmas is a time for gladness and rejoicing ...because there is no class.
圣诞节是欢喜和快乐的时光，因为不用上课。

May happiness follow you everywhere ...just like we do.
愿快乐随时与您同在，就如同我们与您寸步不离一般。

It's really a shame we can't be together at Christmas ...you must be jumping for joy!
我们不能在一起过圣诞节真是太可惜了……您一定乐得跳起来了!