很开心用英语怎么说

"I'm very happy" 是用英语表达 "很开心" 的一种方式。这句话的来源是英语语言本身。例句如下：
I'm very happy to see you again.
The news made me very happy.
I'm very happy with the way things are going.
请注意，"very happy" 不是唯一可以用来表达 "很开心" 的英文表达方式。其他类似的说法还包括 "overjoyed," "ecstatic," "thrilled," 等等。例句如下：
I was overjoyed to hear the news.
She was ecstatic when she won the lottery.
He was thrilled to have finally finished his project.