I never knew him.

我不认识他。

《柯林斯英汉双解大词典》

This is a side of Alan that I never knew existed.

我以前从来不知道艾伦还有这样的一面。

《牛津词典》

I think it was significant that he never knew his own father.

我想他从不了解自己的父亲这一点就很说明问题。

《柯林斯英汉双解大词典》

Ira Gershwin reportedly said: "I never knew how good our songs were until I heard Ella Fitzgerald sing them.

VOA: special.2010.07.04

Could it be that the hidden throb I stole from them did not affect their future? I had possessed her, and she never knew it.

它是不是我从那些人物那获取隐藏的脉搏,我为她着迷，她并不知晓。

耶鲁公开课 - 1945年后的美国小说课程节选

But I never knew too much, and my... they don't really speak English that well,

但我知道的不多，而且我的。。。实际上他们的英语并不是很好。

学习外语的原因 - SpeakingMax英语口语达人

"I never knew what I wanted to be, and that was a big problem, " Rosen says.

FORBES: Magazine Article

I, for one, never knew that a network could exert control over a game.

FORBES: ESPN Has More Influence on the NFL than You Realize

Can you be a hero for beating an illness that we never knew existed?

FORBES: Brand Builder Howard Schultz and His Venti Mistake