The doctor saved many lives in the line of duty.

医生在履行职责时救了很多人。

They faced many difficulties in the line of duty.

他们在履行职责时遇到了很多困难。

The police officer was injured in the line of duty.

警察在履行职责时受伤。

She acted very professionally in the line of duty.

她在履行职责时表现得非常专业。

The firefighter risked his life in the line of duty.

消防员在履行职责时冒着生命危险。

Mary was seriously wounded in the line of duty.

玛丽因公负了重伤.

You need to stay in good shape while in the line of duty.

你在值勤时一定要保持良好的状态。

The young police officer was killed in the line of duty.

这个年轻的警官在执行任务时遇害.

Three members of the fire brigade died in the line of duty.

3名消防队员在救火时殉职.

Today we mourn and remember all who have given their lives in the line of duty.

今天我们哀悼和记住所有给了他们的生活在工作岗位上。