Saatlerce çalışmaktan yoruldum.
- I felt tired from having worked for hours.
Hepimiz tükenene kadar saatlerce müzik eşliğinde dans ettik.
- We danced to the music for hours until we were all exhausted.
... As our history of the world in two hours races towards a close, ...
... They were getting eight hours of sleep every night. ...