I mentioned previously that we do not know a lot about how the mechanical stimulation is being converted into chemical and electrical energy.

先前我曾说过,对于机械刺激到化学和电能的转换,我们还知之甚少。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

We have people inventing them, but even the ones that are invented aren't very helpful, because it's awfully hard to know how they did what they did.

有人试图还原古代战争,但是得出的结果并没有太大的意义,因为我们对此实在是知之甚少

耶鲁公开课 - 古希腊历史简介课程节选

That's including me and that's why I went into the subject in the first place cause I was aware of how little I really know of this.

那也包括了我,所以我首先研究这个主题,因为我意识到,我对这个主题知之甚少。

麻省理工公开课 - 电影哲学课程节选

Those doctors would still not be able to improve school performance of the kids with learning disabilities and they would still not be able to prevent cognitive impairment and loss of memory in older adults because at this point we don't really understand enough about learning To know which neurons and synapses within a circuit would need to be tinkered with.

他恐怕还是改变不了有学习障碍的孩子们的表现,阻挡不了老年人的认知功能损害和记忆力的衰退,因为我们对这一学科的确知之甚少,不知道知道回路中的到底是哪些神经元和神经突触需要修复。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

We really don't know very much about these early Greek settlers.

对于这些早期希腊的居民,我们知之甚少

耶鲁公开课 - 古希腊历史简介课程节选