to be on duty

• 值班的人

  person on duty

• 值班日志

  log book

• 值班人员

  attendant

• 值班勤务

  duties on watch

• 军队的昼夜值班

  around-the-clock duty in the army

• 本星期日该我值班。

  It should be my turn to be on duty this Sunday.