过的很开心用英文怎么说

过得很开心用英语可以表达为 "to have a great time" 或 "to have a good time". 来源为英语表达习惯。 例句：

I had a great time at the party last night. (我昨晚在派对上过得很开心)
We had a good time on our vacation. (我们度假时过得很开心)