It has been the most unpleasant duty I've ever had to perform.

It was an example of how one must always do one's duty, however unpleasant.

What I meant was that all officers end up having to do unpleasant duties.

On the whole, her day so far had been pretty pleasant, including the otherwise unpleasant duty of paying the Church.

Much of the time, it was his unpleasant duty to cover Estill.

I'm a public servant and sometimes I have unpleasant duties.

He looked round at them as if performing an unpleasant duty.

They looked calm and determined, as though waiting to carry out some unpleasant but necessary duty.

He had watched men and women make greater sacrifices than this unpleasant duty.

But for most of them it is an unpleasant duty only.