duty · n
duty (JOB)
B2 something you do as part of your job or because of your position
Dictionary examples:
professional/official duties (37.5)
on/off duty ()
B2 If someone such as a doctor or a soldier is on duty, they are working, and if they are off duty, they are not working.
Dictionary examples:
What time are you off/on duty tomorrow? (36.8)
duty (RIGHT THING TO DO)
B1 something that you have to do because it is part of your job, or something that you feel is the right thing to do
Dictionary examples:
As a student, my duty is to perfect the art of last-minute studying. (0.0)
It's my duty to watch funny cat videos during work breaks. (0.0)
My duty as a superhero is to save cats from trees and eat donuts. (0.0)
He only went to see her out of a sense of duty. (27.7)
I felt it was my duty to tell them the truth. (31.2)