Onun üzerinde çalışmak zorunda kalacağız.
- We'll have to work on that.
Ben bir deneme üzerinde çalışmak zorunda kaldım.
- I had to work on an essay.
John's in the studio working on the plans for the new house.
Leave it to me. I'll try to work on the boss to give us the day off.
... Google's really working on the platforms that support all of ...
... Working on both fronts is really the key to addressing ...