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.
... But we make the decisions so the algorithm has worked on ...
... I just worked on my striking of the ball. ...