Why, it's my dream prince.

怎么回事 是我梦想中的王子

Your Highness.

王子殿下

You know, I'm really not supposed to speak to strangers...

我真的不允许对陌生人说话...

but we've met before.

但是我们以前见过

I know you

我认识你

I walked with you once upon a dream

我曾经在梦境中和你一起散步

I know you

我认识你

The gleam in your eyes

你的眼神

Is so familiar a gleam

是如此熟悉

Yet I know it's true

但我知道是真实的

That visions are seldom all they seem

这些世间罕见的景象

But if I know you

但是如果我了解你

I know what you'll do

我知道你会做什么

You'll love me at once

你会立刻爱上我

The way you did once upon a dream

在那个梦里你会这么做

重点解释：

1.supposed to 猜想会； 应该

例句：I'm supposed to get a raise.

我应该涨工资。

2.at once 立刻； 马上

例句：Many of us warmed to the new employee at once.

我们中许多人立刻喜欢上了那位新来的雇员。