Oda uzun süredir boş.
- The room has been empty for a long time.
Ayaklanmayı bastırmak uzun sürecek.
- It will take a long time to suppress the revolt.
It's been quite ages since we last met.
- It's been a long time since we last saw each other.
I haven't heard that joke in ages.
- I haven't heard that joke in a long time.
... takes a very long time. ...
... And if I think back to a long time ago, a very long time ...