I mean, just yesterday I unintentionally discovered another root beer that we had never heard of.

VOA: special.2011.08.01

You cannot say, "I never heard of it. I don't know where it came from."

你就不能再说,"我从没听说过,我不知道它是怎么来的"

耶鲁公开课 - 基础物理课程节选

I'll bet you never heard of Tellus of Athens, neither had Croesus, neither had anybody else outside of Athens.

我打赌你们从没听说过雅典的特勒斯,包括克罗伊斯在内的,任何一个非雅典人都不知道

耶鲁公开课 - 古希腊历史简介课程节选

I'm going to talk about a particular line of monoline insurers that you may never have even heard of because they don't deal with the general public.

我想讲讲一类特殊的单线保险公司,你可能从来没有听过,因为他们从来不与公众打交道

耶鲁公开课 - 金融市场课程节选