ad.

1. 永远
   Nobody lives forever.

   没有人会永生。

2. （与进行时连用）老是，不断地
   Some students in my class are forever talking.

   我班上有些学生老是在说话。

adv.

1. (also for ever) for all future time.
   ▸a very long time (used hyperbolically).
2. continually.