An echo of memories that will never die no matter how hard we try to kill them.是无论我们怎样想摆脱都萦绕不灭的记忆回响

no matter无论； 不管

No matter how hard he works, he can not get a promotion.

不管他工作多努力，他就是得不到提升。

Don't open the door, no matter who calls!

无论谁来，都不要开门！

I know what I'm supposed to do.我知道该怎么做

be supposed to应该

I'm supposed to get a raise.

我应该涨工资。

He is supposed to know the law.

他应该懂得法律。

I lifted a key off your would-be killer's body before you knocked me out.在你把我打晕前从你的谋杀未遂者身上搜出来的

knock out敲出； 击倒; 打昏

The pit-prop fell on his head and knocked him out.

坑木掉在他头上，把他打昏过去。