我步入丛林　　　
I went to the woods

因为我希望生活有意义
because I wanted to live deliberately.

我希望活得深刻 I wanted to live deep

吸取生命中所有的精华
and suck out all the marrow of life！

把非生命的一切都击溃
To put to rout all that was not life.

以免当我生命终结时
And not, when I came to die,

发现自己从没有活过
discover that I had not lived

3楼神翻译。。。

二楼去哪了