Smoking in the building is illegal. It is impolite to interrupt someone when they are speaking. Parking in front of the driveway is inconsiderate. The smell in the bathroom was unpleasant. She was displeased with the quality of service. We had to find a new babysitter because the last one was unreliable. The student was often disobedient in class. The new employee is inexperienced and needs training. They have been inseparable since they were kids. The old printer was inefficient and needed to be replaced.