The duty man volunteered to stay late when the power outage disrupted the schedule.

As a duty-bound investigator, she refused to ignore the evidence even when pressured by her superiors.

The duty-man checked the equipment before the night shift began.

The committee debated whether the historic feu-duty still applied to the newly subdivided plots.

She felt duty bound to inform her supervisor about the safety breach.

Under the state's law, the defendant's claim of self-defense failed because the court found a duty to retreat when a safe exit was available.

Under the old Scottish system, the tenant was obliged to pay a yearly feu duty to his feudal superior.

The government increased the excise duty on imported tobacco to curb smoking.

The sergeant scheduled three officers for point duty at the downtown intersection during rush hour.

The firefighter was off duty when he noticed smoke coming from the neighbor's house, so he quickly called for help.