You don't know jack.

你什么都不知道。

《牛津词典》

You might be a queen, but you don't know jack about compassion.

你可能是个什么歌后，但你根本不知道什么是同情。

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Mark: Jack, I don't know what to say to comfort you, but cheer up!

马克：杰克，我不知道怎么安慰你，但是振作起来！

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Now, for those of you who don't know, On the Road does document pretty closely the actual road trips that Jack Kerouac took with Neal Cassady and a whole host of others, and I can do a little decoding for you.

现在，如果你们中有人不知道，《在路上》确实近乎于是对真实中,杰克凯鲁雅克带着尼尔卡萨迪和其他一群人上路旅行的记载，我来给你们做些破译。

耶鲁公开课 - 1945年后的美国小说课程节选

But he lost out to Al Pacino, who scooped a rare TV award for his role as an advocate of doctor-assisted suicide in You Don't Know Jack.

BBC: Mad Men wins top Emmy for third year running

Barry Levinson ("The Natural") is attached to direct, working with screenwriter Adam Mazer, who wrote Levinson's HBO biopic on Jack Kevorkian, "You Don't Know Jack, " which Rigberg exec produced.

CNN: Baseball legend Hank Aaron getting biopic treatment

And, you know, I don't know if there's a parallel for Bonds unless you want to go all the way back to Jack Johnson.

NPR: Bonds' Approaching Triumph Has Mixed Meaning