The first street we tried turned out to be a dead end.

我们想走的头一条路结果是条死胡同。

《牛津词典》

The most devastating form of brain damage is a condition in which someone is understood to be brain dead.

最具破坏性的一种脑损伤是一种被认为是脑死亡的情况。

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The most devastating form of brain damage, for example, is a condition in which someone is understood to be brain dead.

例如，最具破坏性的脑损伤是某人被认为脑死亡的情况。

youdao

When he was sure she was dead, Murlock had sense enough to remember that the dead must be prepared for burial.

VOA: special.2009.10.31

You set yourself the goal of trying to put yourself in the situation imaginatively of what it's like to be dead.

你给自己一个目标,试着假想自己,在死亡这种情况下。

耶鲁公开课 - 死亡课程节选

We don't know what it's like to be dead, because every time we try to imagine it, we fail.

我们不知道死亡是什么样的，因为每次我们想象死亡，都无果而终。

耶鲁公开课 - 死亡课程节选

You would need to be dead for me to move on.

BBC: Perth Sheriff Court

Mr. Fantastic, was believed to be dead. (It turned out he had been ripped out of the time stream.) Ben Grimm, a.k.a. the Thing, was briefly thought to be dead in 2004 as well.

CNN: 2011 is bringing a death to the 'Fantastic Four' family

Once you know that you are not dead, you just want to make -- you just don't want to be dead, and you just want to do anything you can to kind of ... get out of the situation, and that is what I did.

CNN: WTC burn victim: 'I feel pretty lucky'