祝所有人新年快乐用英文怎么说?

"Happy New Year" 是英语中常用的祝福新年的表达方式。这个短语来自英语中"new year"，意思是新年。"Happy" 意思是高兴、快乐。

例句：

"Happy New Year, everyone!" (祝大家新年快乐！)
"Wishing you a happy and prosperous new year." (祝你新年快乐、幸福、兴旺)
"May the new year bring you happiness and success." (愿新年给你带来快乐和成功)