cry me a river 的意思`

这是justin timberlake的歌啊
cry me a river是歌名,意为:(为我)泪流成河
这里是全部歌词:
"Cry Me A River"

You were my sun
You were my earth
But you didn't know all the ways I loved you, no
So you took a chance
And made other plans
But I bet you didn't think that they would come crashing down, no

You don't have to say, what you did,
I already know, I found out from him
Now there's just no chance, for you and me, there'll never be
And don't it make you sad about it

You told me you loved me
Why did you leave me, all alone
Now you tell me you need me
When you call me, on the phone
Girl I refuse, you must have me confused
With some other guy
Your bridges were burned, and now it's your turn
To cry, cry me a river
Cry me a river-er
Cry me a river
Cry me a river-er, yea yea

I know that they say
That some