I 'll never know what, made you run away.

我永远不会知道，是什么让你离开。

youdao

You "ll never know just what you mean to me...... to me."

你不知道你对我…对我意味着什么。

youdao

I "ll never know just what you meant to say...... to say."

我不知道怎样去形容…去形容你对我的意义。

youdao

How it got into my pajamas I'll never know."

至于它怎么进来的,我就不知道了"

耶鲁公开课 - 心理学导论课程节选

But we'll never know what the team might have been if everyone would have been fit.

BBC: Davies considered quitting Wales

Whether that message would have rescued Mr. Gingrich from his sliding poll numbers, we'll never know.

WSJ: Strassel: Romney's Rivals Fizzle in South Carolina

Mr. RADLEY: If we never break the threshold, we'll never know what the answer is.

NPR: Marketplace Report: BP Sued for Propane Profiteering