I just miss you and you never know it !

我只是想你但你却永远都不知道！

And you never know what's gonna happen next.

你永远不知道接下来会发生什么。

And you never know, things can change at any time.

而且你永远都不会知道，世事无常。

Hang in there and you never know what is achievable.

坚持下去，你永远无法知道会有什么样的收获。

And you might as well have fun because you never know, you might die tomorrow.

那样你也会快乐，因为你永远不会知道明天你就可能会死去。

And you never know who you might find at Ben's Chili Bowl, this diner in Washington DC.

你也绝不会知道你会在华盛顿的老牌热狗店班氏红椒碗餐馆见到谁。

Go for it, and you never know what's gonna happen. I mean, it's New Year's Eve. It's a new year.

去争取吧，你永远不知道会发生什么。这可是新年前夜。是新的一年。

I know I'm not supposed to expect anything more, but I'm feeling like his girlfriend, and you never know where this could lead.

我知道我不应该期望很多，但是我感觉自己像他的女朋友，而且你永远不知道事情会如何发展。