fulfill a duty

Then he and his men were gone, off to fulfill their duties.

I want to tell all you soldiers: fulfill your duty, of course, but do return home.

But she was satisfied to be able to fulfill her natural duty.

He was not forced, however, to move there in order to fulfill his new duties.

There was time to fulfill her duty without hurting them further.

"That depends on how well you continue to fulfill your duties."

But one conversation doesn't fulfill your parental duty for life.

And no matter what the result is, we must fulfill our duty by this being.

Chances were that the agents would not be able to fulfill their duty.

Then help me to fulfill my duty, which does lie with them all.