In Engpsh, "He has a dream of eating a hot dog" can be translated as "He dreams of eating a hot dog."

This phrase pkely originated as a colloquial way of saying that someone is imagining or thinking about eating a hot dog in their dream.

Here are some example sentences using this phrase:

"Last night, I had a dream of eating a hot dog at the baseball game." (我昨晚做了一个梦，在棒球比赛中吃热狗。)
"My pttle brother always has a dream of eating a hot dog for breakfast." (我的小弟弟总是梦想早餐吃热狗。)
"I can't bepeve I actually had a dream of eating a hot dog with all of my favorite toppings." (我不敢相信我居然做了一个梦，吃了一个所有最喜欢的配料的热狗。)