The harm shouldn't be so serious that it elicits strong negative emotions like fear, grief or pity.

但这种伤害不会很严重,不会造成消极情绪，如恐惧，悲伤或怜悯。

耶鲁公开课 - 心理学导论课程节选

So what she's talking about here, for example, is that positive emotions help us overcome negative emotions.

她谈到的问题包括，积极情绪有助我们克服消极情绪。

哈佛公开课 - 幸福课课程节选

What happens when we experience negative emotions is that our consciousness, our thinking narrows and constricts.

体验消极情绪时,我们的意识，我们的思维变得狭窄，收紧。

哈佛公开课 - 幸福课课程节选

So it helps overcome the negative emotions.

它有助克服消极情绪。

哈佛公开课 - 幸福课课程节选