Definition of mazel tov in English:
   a Jewish phrase expressing congratulations or wishing someone good luck.

  --Oxford Dictionaries

在电影Big Weddings里，男主角端着酒杯对别人说了一句mazel tov，mazel tov 翻译成汉语是“恭喜你、加油、祝好运、干杯”的意思。

Benjamin, mazel tov, We're proud of you.

Mazel tov to the bride and groom.
   So, again, mazel tov, Avner.