I'm always waiting for you, but you just don't know.

我一直在等你，只是你不知道而已。

youdao

I'm always waiting for you message to know more about you.

我总是等你的短信，想去更加的了解你多一点。

youdao

I'm still here, always, but you don't know I'm waiting for you.

我还在这里，一直都在，可你却不知道我在等你。

youdao