in the line of duty
idiomPart ofduty
in the line of duty — idiom
1. while doing your job, especially when referring to dangerous or difficult tasks
1.idiom
Definition
while doing your job, especially when referring to dangerous or difficult tasks that are part of a particular profession.
Example
The police officer was injured in the line of duty when she stopped a speeding car.
The paramedic had seen many difficult situations in the line of duty over twenty years.