
Dereliction of DUTY in the face of
the enemy is a court-martial offense.
The Big Bang Theory Season 2, Episode 16

Was he the one on guard DUTY?
Game of Thrones Season 2, Episode 7

It's the DUTY of the Lord Commander
to fill those pages.
Game of Thrones Season 4, Episode 4

I'm performing my sworn DUTY
as Hand of the King.
Game of Thrones Season 4, Episode 6

Even if he does, Sansa will do her DUTY.
Game of Thrones Season 2, Episode 3