Onlar uzun süredir burada yaşıyor.
- They have lived here for a long time.
Oda uzun süredir boş.
- The room has been empty for a long time.
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.