forever

永远、永久

I will remember that summer forever.

我会永远记得那年夏天。

很久、老半天口语

It took forever to get through customs.

过海关花了老半天。

老是、总是口语，常接进行式

He's forever complaining about his coworkers.

他老是在抱怨同事。

永久的、长久的口语，仅用于名词前

The shelter found the puppy a forever home.

收容所为那只小狗找到了永久的家。