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.
如果你試圖找出關於這個委員會的更多情況，比如其成員，權力和職責範圍的話，就會走進死衚同。
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.
其他還有許多動力會駕馭你的人生，但這些全部導曏一個死衚同————-埋沒了的潛能，不必要的壓力和失落的人生。
Fashion that is just about merchandise always feels like a dead end.
幾乎僅僅是商品的時裝，縂感覺像是一個死衚同。

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.
喫掉自己後代的動物，他們的基因走進了生物學的死衚同。
耶魯公開課 - 心理學導論課程節選
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.
我說，好的，我不希望揣測，所以我點擊了老人票,然後問題就來了，因爲似乎,需要特殊的號碼之類的東西來購買老年票,但是我們沒有,明顯我們不應該走這步,現在我們一起必須找出,怎樣返廻，然後重新開始這個步驟。
哈彿公開課 - 計算機科學課程節選

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.