to congratulate

• 祝贺胜利

  give congratulations on the victory

• 向代表大会祝贺

  congratulate the congress

• 举杯祝贺

  lift a glass in congratulation

• 衷心地祝贺

  sincerely congratulate

• 致电祝贺

  make a congratulatory telephone call

• 请接受我们的衷心祝贺！

  Please accept our sincerest congratulations!