Failure can demotivate students.

失败会挫伤学生的积极性。

《牛津词典》

Did it motivate or demotivate you?

那将激励你奋发图强还是让你变得消极厌世呢？

youdao

Not because they are bad people, but because they do certain things that may demotivate us, hurt our feelings or rub our ego the wrong way.

这不是因为他们是坏人，而是因为他们做的某些事可能会让我们失去动力、伤害我们的感情或者磨灭了我们的自我意识。

youdao

Do whatever is within your control to eliminate the things that demotivate you.

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It has the decisiveness of a hierarchy but without its inflexibility, its rigidity and its tendency to demotivate workers and frustrate customers.

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