"Unusual vacation" 中文可以说作 "不平常的假期"。这个短语来源于英语中 "unusual" 一词，意思是 "不平常的、不寻常的"，加上 "vacation" 一词，就可以表示 "假期" 的意思。

下面是一些使用 "unusual vacation" 的英文例句，并附上中文翻译：

"I had an unusual vacation last year. I went skydiving in New Zealand."

"我去年度假特别不寻常，去了新西兰跳跳伞。"

"We're planning an unusual vacation to the Galapagos Islands this summer."

"我们正在计划今年夏天去加拉帕戈斯群岛的不寻常假期。"

"My friend had an unusual vacation in the Amazon rainforest. She stayed in a treehouse and went on jungle hikes."

"我的朋友在亚马逊雨林度过了一个不平凡的假期。她住在树屋里，还去徒步爬丛林。"