dead end

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If you try to find out more about this committee, its members, its powers and remit, you would come up against a dead end.
如果你试图找出关于这个委员会的更多情况，比如其成员，权力和职责范围的话，就会走进死胡同。
There are other forces that can drive your life but all lead to the same dead end: unused potential, unnecessary stress, and an unfulfilled life.
其他还有许多动力会驾驭你的人生，但这些全部导向一个死胡同————-埋没了的潜能，不必要的压力和失落的人生。
Fashion that is just about merchandise always feels like a dead end.
几乎仅仅是商品的时装，总感觉像是一个死胡同。

The new foreign minister, Avigdor Lieberman, recently said the peace process is at "a dead end."
The animal that eats its offspring, those genes are a biological dead end.
吃掉自己后代的动物，他们的基因走进了生物学的死胡同。
耶鲁公开课 - 心理学导论课程节选
So, I said, okay, I didn't want to assume so we clicked senior and frankly it was then a dead end because apparently to get some senior discount you need to have some special pass or something like this that we didn't have and yet that certainly wasn't obvious here so now we together and this person in particular had to figure out how you go back and then restart this process.
我说，好的，我不希望揣测，所以我点击了老人票,然后问题就来了，因为似乎,需要特殊的号码之类的东西来购买老年票,但是我们没有,明显我们不应该走这步,现在我们一起必须找出,怎样返回，然后重新开始这个步骤。
哈佛公开课 - 计算机科学课程节选

That's because any more strolls down tobacco road are likely to lead to a dead end.
FORBES: Magazine Article

If a street is a dead end, there is no way out at one end of it.
A dead-end job or course of action is one that you think is bad because it does not lead to further developments or progress.