To have a beautiful dream in English can be translated as "to dream a beautiful dream." This phrase likely comes from the idea of wishing for or hoping for a pleasant or wonderful dream experience.

Here are a few examples of this phrase in English:

"I hope to dream a beautiful dream tonight."

"I always try to dream a beautiful dream before going to sleep."

"The idea of dreaming a beautiful dream is so comforting to me."

In Chinese, these phrases could be translated as:

"我希望今晚做个美梦。"

"我总是在睡觉前尝试做个美梦。"

"做个美梦的想法对我来说是如此安慰。"