Even if I'm not here to stay

即便我不会在此停留

Even if即使，纵然； 虽然； 即若； 哪怕

例句：

Friendship means understanding, not agreement. It means forgiveness, not forgetting.It means the memories last, even if contact is lost.

友情是理解，不是妥协；是原谅，不是遗忘。即使不联系，感情依然在。

Even if the amendment is passed it can be defeated judicially.

即使修正案获得通过，也有可能通过司法途径被废除。

Even if the weather's awful there's lots to do.

即使天气很差，也还有好多事情可做。

Three weeks now, we've been so caught up

转瞬已是三周彼此却依然深陷囹圄

Catch up追上； 吹起； 打断； 把…缠住

例句：

Most late developers will catch up with their friends.

大多数身材发育迟缓者都会赶上他们的朋友。

I stopped and waited for her to catch up.

我停住脚步，等她追上来。

He stopped and let her catch up with him.

他停下来，好让她追上自己。