She only loves me when the lights are off,

当灯关掉的时候，你才会爱上我，

Off adj.空闲的；离开的；关闭的

例句：

Please switch the lights off as you leave.

你离开的时候请把灯关了。

She only loves me cause I put it down

她只爱我只因为我追逐她的心

Put down v.镇压；记下；批评；奚落；反驳；杀死

例句：

The military were called out to put down the riot.

军队奉召出动去镇压暴动。

(afterwards she just don't care)

可她并不在乎

Afterward adv.后来；以后

例句：

Afterward, he once had held the post of the Lucar palacemusician.

后来，他曾担任过卢卡宫廷乐师。

You a freak, and it's fine by me

你是个怪物，而那恰巧适合我

Freak n.怪人；狂热爱好者；怪事；反复无常

例句：

People think she's a freak just because she's religious.

就因为她信教,人们就把她当成怪人。