You know, he didn"t even bother to say hello to me when I saw him on the street yesterday."

你可知道，昨天我在马路上见到他，他连招呼都不跟我打。

youdao

But he says he and his two friends didn't really know much about the music business.

VOA: special.2010.04.19

And what happens of course thereafter, as you'll remember, is that Lily pops up from the back seat: "Hi." He didn't know that she was there.

那么，在那之后发生了什么呢，正如你所记得的,莉莉从汽车后座突然跳出来，你好，他根本就不知道她在那儿。

耶鲁公开课 - 1945年后的美国小说课程节选

Sure, if my son would wake up and I didn't tell him, he wouldn't know that it was duplicate.

当然，如果我儿子醒来,可我还是没告诉他，他不会知道这塔是重新搭的。

耶鲁公开课 - 死亡课程节选

What does James Murdoch now know that he didn't know when last on the spot and when exactly did he find out that there was rather a lot he, apparently, didn't know?

BBC: Scaffolding and doling out rope

He either didn't know what he was getting into or didn't know how to go about it.

NPR: Congress Reacts Swiftly to Iraq Speech

Paul Carey, a spokesman for Sir Elton in London, said he couldn't comment because he didn't know anything about it.

BBC: Sir Elton deserts sell-out gig