1. Children should learn to obey their parents.
孩子们应该学会听父母的话。

2. It is important to obey the rules of the road when driving a car.
驾驶汽车时遵守交通规则很重要。

3. The soldiers were trained to obey the commands of their superiors without question.
士兵们接受的训练是毫无疑问地服从上级的命令。