"I hope he is happy and joyful" 是一种希望他开心快乐的表达方式。

"Hope" 是一个动词，表示希望或盼望。它通常用于表示希望将来会发生的事情。例如：

I hope to see you soon. (我希望很快能见到你。)
We hope the weather will be nice tomorrow. (我们希望明天天气会很好。)

"Happy" 是一个形容词，表示快乐的、愉快的。例如：

She looks very happy today. (她今天看起来很开心。)
The party was a happy occasion. (聚会是一个快乐的场合。)

"Joyful" 是一个形容词，表示快乐的、欢乐的。例如：

The children were singing joyful songs. (孩子们在唱快乐的歌。)
She was filled with a joyful feepng. (她充满了快乐的感觉。)

所以，"I hope he is happy and joyful" 的意思是，"我希望他开心快乐"。