Gerry sits staring at the television for hours on end.
Sami saatlerce durmadan patates soyarak babasının restoranında çalıştı.
- Sami worked at his father's restaurant, peeling potatoes for hours on end.
Tom saatlerce bilgisayar oyunları oynuyor.
- Tom plays computer games for hours on end.
We have been trying to get this computer going for hours on end, but we need serious professional help.