Wǒmen jǔbàn le yī chǎng wǎnhuì lái qìnghè xīnnián.
We held a party to celebrate the new year.
Tips
usage
庆贺 vs 庆祝 (qìngzhù): they're nearly synonymous, but 庆贺 is slightly more formal and implies congratulatory well-wishes to someone, while 庆祝 is broader and can be used for any celebration, even solitary ones.