"You needn't get any more wine,"

VOA: special.2009.08.01

They needn't be thought of as vulgar prejudices, one of which is in fact the "prejudice against prejudice."

它们并不一定是粗俗的偏见，这是对偏见的偏见“

耶鲁公开课 - 文学理论导论课程节选

It's an hypothesis about something, the exact nature of which one needn't necessarily have in view.

它是关于某种事物的假说，由于人们思想的局限性。

耶鲁公开课 - 文学理论导论课程节选

We needn't have worried.

但我们不需要担心。

哈佛公开课 - 幸福课课程节选