Health officials in Mexico and the United States were puzzled by a virus that combined elements of swine, avian and human influenza.

VOA: standard.2009.12.25

Long before Milton had begun to tackle the problem, Christians had for centuries, for millennia, puzzled over the logical inconsistency between these two concepts.

早在弥尔顿应对这个问题之前，基督教徒们就已经花了成百上千年，为这两个概念之间逻辑上的前后矛盾感到困惑。

耶鲁公开课 - 弥尔顿课程节选

It works its magic, again, through purely instrumental means, so we can't really call those songs, and this puzzled me.

纯器乐的演奏方式,容我重申,能产生神奇的效果,所以我们其实不能把器乐称为歌曲,这让我很困惑

耶鲁公开课 - 聆听音乐课程节选

So it's not his death as a person that he's puzzled by.

所以他不是困惑于自己精神的死亡。

耶鲁公开课 - 死亡课程节选

Evolutionary psychologists and cognitive neuroscientists have puzzled over this one.

进行心理学家和认为神经学家,都对这个现象很困惑。

耶鲁公开课 - 心理学导论课程节选

And this is what puzzled people.

这使人困惑。

麻省理工公开课 - 固态化学导论课程节选

They would have had to be damn fools to have settled there without that being in their minds, although some of the places where they settled leave us puzzled, and have left the ancients puzzled.

如果不是这样的话,他们的脑子就是进水了,确实是有一些殖民地建立在不毛之地,这让我们和古人都很困惑

耶鲁公开课 - 古希腊历史简介课程节选