She does not know if he is alive or dead.

她不知道他是活还是死。

《柯林斯英汉双解大词典》

Then you should not be irritated, Mary, because the dog does not know it is wrong to play with your toy.

那么玛丽，你不应该生气，因为狗不知道玩你的玩具是不对的。

youdao

She does not know how to get to the next block.

她不清楚怎么去下一个街区。

youdao

The lead author of the research says he does not know if the shoe was made for a man or a woman.

VOA: special.2010.08.03

So Ale does not know that Kaj knows that there's a pink hat in the room.

所以艾尔不知道卡佳知道,这里有一定粉色的帽子

耶鲁公开课 - 博弈论课程节选

But Ale does not know that Kaj knows that he is wearing a blue, a pink hat, and Kaj does not know that Ale knows that Kaj is wearing a pink hat.

但艾尔不知道卡佳知道他戴着粉色帽子,卡佳也不知道艾尔知道,卡佳戴着粉色帽子

耶鲁公开课 - 博弈论课程节选

However the market does not know the net amount that is owed to which party and when.

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Serrano said he does not know Morales but believes he is responsible for previous threatening messages.

WSJ: Arrest for anti-gay Twitter threat in Puerto Rico

Or she does not know how to choose flattering clothes that deemphasize her bust.

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