【巧记提示】motive（n.动机）去e+-ate（动词后缀）
【经典例句】He was motivated only by his wish to help me,and expected nothing in return.
他仅仅是为了帮我，没有期望得到回报。
Examinations do not motivate a student to seek more knowledge.
考试不能促使学生去追求更多的知识。
Her suicide was motivated by desperation.
她自杀的诱因是自暴自弃。
What motivated you to do such a thing?
你做这事的动机是什么?
