hehe我试试好了~
in the end 最后
one thing i don't know why 我不知道为什么
it doesn't even matter how hard you try 甚至无论怎么努力都无济于事
keep that in mind i designed this rhyme 将我谱写的韵律铭记在心
to explain in due time 在适当的时间去解释
all i know 我知道
time is a valuable thing 时间是有价值的东西。
  
watch it fly by as the pendulum swings 看它靠着摇摆的翅膀飞了起来
watch it count down to the end of the day 看它数着日子的终结
the clock ticks life away 时钟的滴答声让生命流逝
it's so unreal 它是如此虚幻
didn't look out below 不会让人注意到
watch the time go right out the window 看时间顺利地飘出窗口
trying to hold on but didn't even know 试图握住不放却甚至根本无法知晓
wasted it all just to 仅仅是荒废掉所有
watch you go 看着你离开
i kept everything inside and even though 我将内心的一切保持原样，即使
i tried it all fell apart 我试着让所有都消散
what it meant to me will eventually be 对我来说意味着最终的结果
a memory of a time when i tried so hard 当我如此尽力尝试，时间的记忆
i tried so hard 我尽力去试
and got so far 已经走了很远
but in the end 但是到了最后
it doesn't even matter 一切成为泡影
i had to fall 我不得不放弃
and lose it all 失去了所有
but in the end 但是最后
it doesn't even matter 一切终成灰烬
one thing i don't know why 我不知道为什么会这样
doesn't even matter how hard you try 无论你多努力
keep that in mind i designed this rhyme 将我谱写的旋律铭记于心
to explain in due time 在适当的时间阐释 
i tried so hard 我如此努力
in spite of the way you were mocking me 虽然用你欺骗我的方式
acting like i was part of your property 表现得象我是你的部分财产
remembering all the times you fought with me 记得所有你和我争吵的日子
i'm surprised it got so 我惊诧竟会如此
things aren't the way they were before 物已非 
you wouldn't even recognize me anymore 你也不再是我认识的那个你
not that you knew me back then 你不想回到过去
but it all comes back to me 但是所有对我来说已成往事
in the end 最后
you kept everything inside and even though 你保持心灵的所有
i tried it all fell apart 我试图让一切往事如烟
what it meant to me will eventually be 那将意味着对我最终的结果
a memory of a time when i 时光的记忆，当我
i tried so hard 我全心全意
and got so far 走了如此之远
but in the end 但最终
it doesn't even matter 无能为力
i had to fall 不得不选择放弃
and lose it all 失去所有
but in the end 但最终
it doesn't even matter 无济于事
i put my trust in you 我必须相信你
pushed as far as i can go 能带我到最远的地方（海角天涯）
and for all this 为了这些
there's only one thing you should know 只有一件事你应该知道
有很多相同的话，都试着翻译了不同的版本
如果没猜错的话应该是情书之类的东西，或者是歌词
相同的英文，楼主自己看看用什么合适吧
歌词的话，比较有诗意的比较好，不必过于强求直译~。