“你最棒”用英语可以表达为“You are the best!”或“You are the greatest!”。这两个表达都可以用来表示对某人的肯定，例如：

You are the best! I don't know what I would do without you.

You are the greatest! I'm so proud of you for what you've accomplished.

“最棒”这个词来自于拼音“zuì bàng”，它的意思是“最优秀”或“最出色”。