我很快乐英语怎么说

你可以说："I'm very happy."
来源：这是一句普遍使用的英语口语表达。
例句：
"I'm very happy with my new job."
"I'm very happy to see you again."
"I'm very happy that you are here to celebrate with me."
总之，"I'm very happy" 是表示你很快乐的一种常见的英语表达方式。