I absolutely adore this song! (I'm listening to it right now, and I have it on replay on my ipod.)
Re: 1. Do "as we walked on by" and "as we walked by" mean the same?
Walk by and walk on by mean to pass someone or something. The second one means, not to stop or walk back towards.
Re: 2. What does 'she' refer to as in "when she thought up that ...."?"You're beautiful. You're beautiful.Re: 3. What does 'think up' mean?
You're beautiful, it's true.
There must be an angel with a smile on her face,
When she thought up that I should be with you.
But it's time to face the truth,
I will never be with you."
think up, to invent or conceive of something.
Re: 4. What does 'you' refer to as in "I will never be with you"?
The beautiful girl he saw on the subway.
Student or Learner