Okay, we've been chasing after what we used to have ever since you found out about Malcolm, but...自从你发现马尔科姆的事情之后，我们就一直在追寻曾经的好时光，可是

used to过去常常

I weigh less than I used to.

我的体重比以前轻了。

Jack used to assist Mary in her lessons.

杰克过去常常帮助玛丽学习功课。

chase after跑去赶上, 追赶

The letter had been chasing after him for weeks .

几周来那封信一直在追踪他。

You can't spend your life chasing after shadows.

你不能消耗生命去追求不存在的东西。

ever since从那时起； 自那时以来

She's been piling up money ever since she got the job.

自从得了那份工作以来，她一直在攒钱。

We've been friends ever since we met at school.

自从我们在学校认识之后，我们就一直是好朋友。

But you know what would happen to us if I end up back at rosewood.不过你知道我要是回到玫瑰镇高中对你我意味着什么

end up 结束；告终

If you continue to steal you'll end up in prison.

你要是继续行窃终归得进监狱。

You will end up in debt if you keep on spending money like that.

你要是老这样花钱,总有一天要负债。