niewdzięczne zadanie

Someone always has to do this thankless but important task.

At heart, he was happy with that decision because exercising power had always seemed a thankless task.

It is a thankless task and I certainly feel less than whole as a man.

It is a thankless task, as they have very little money.

I stop and thank him for carrying out his thankless task.

Standing up for what's right is often a thankless task.

Trying to pack the history of jazz into 90 minutes is a thankless task.

IT is surely one of the most thankless tasks in public service.

It is a difficult, thankless and dangerous task. Many had to lose their lives.

Founding a religion in someone else's name can be a thankless task.