It's no wonder then that our children are bored and demotivated by school.

不难想象为何我们孩子在学校会感到消极无聊。

Whether Mr Trump so demotivated Republican voters as to have sabotaged an expected victory for his party is hard to know in a race that is so close.

在这力敌竞选中，是否是特朗普削弱了选民积极性，以致于破坏了预期胜利，目前还很难说。

While the researchers assumed that the well-structured daily plans would be most effective when it came to the execution of tasks, they were wrong: the detailed daily plans demotivated students.

研究者以为在执行计划时候，肯定是安排得当每日计划最有效，但是他们错了；详细每日计划让学生失去了动力。