Now you're missing what we used to have

现在 你已失去了我们共同所拥有的

Used ton. 过去一向，过去时常，过去曾（而现在不再）做

例句：

They used to buy ten kilos of beef in one lump.

他们过去常买10公斤重的整块牛肉。

I was caught up in the aftermath

我紧紧地被这场余波所缠绕

Aftermath n. 后果；余波； 再生草

例句：

In the aftermath of the hurricane, many people's homes were destroyed.

飓风的后果是许多人的房屋被毁.

Wake up with aknife

用一把锋利的刃刺醒?

Wake up醒来； 活跃起来； 引起注意； （使）认识到

例句：

Jake wanted to wake up, but sleep held him back.

杰克想要醒来，但睡意使他又沉入梦乡。

You were creeping on my Instagram

你曾密切注视着我的instagram

Creep on（时间）悄悄地过去

例句：

They'll creep up on you while you're asleep.

他们会在你睡着的时候悄悄接近你。

Broke back then buta nigga rich now

你之后却跟着有钱的黑鬼走了

Nigga n. （俚）通常黑人之间使用，本意是"黑鬼".

例句：

A nigga that can never ever be scared of the feds.

我是一个永远不会被吃喝困扰的黑人.