A happy New Year to you.祝你新年快樂(幸福)。

A merry Christmas to you.祝你圣誕快樂(幸福)。

A merry Christmas and a happy New Year!祝圣誕快樂，新年快樂!

Have a good Christmas!

Have a happy birthday!生日快樂!

Have a happy Easter!復(fù)活節(jié)快樂!圣誕快樂!

Have a happy wedding anniversary!結(jié)婚周年快樂!

Thank you.And I wish you the same!謝謝你。同樂!同樂!

Thank you.And the same to you!謝謝你。同樂!同樂!

Thank you.You too!謝謝你。你也快樂!

Thank you.And a happy New Year to you，too!謝謝你。也祝你新年快樂!

Thank you.And a merry Christmas to you!謝謝你。祝你圣誕快樂!

All the very best!祝你萬事如意!

Let me congratulate you on your…讓我祝賀你……

Please accept my congratulations on…請(qǐng)接受我祝賀你……

The best of luck.祝你好運(yùn)!

Congratulations!祝賀! Congratulations on your…祝賀你……

I hear that you… Congratulations!我聽說你……向你祝賀!