"last nail in the coffin" in Chinese (Simplified)
Definition
最后导致失败或终结某事的事件，通常是在一连串问题之后发生的。
Usage Notes (Chinese (Simplified))
这是比喻用法，多用于负面情况，如公司倒闭、计划失败。常指一系列问题中的决定性一击，类似于“压垮骆驼的最后一根稻草”，但强调终结性。
Examples
The store's poor sales were the last nail in the coffin for the business.
商店的业绩不佳成了企业的**最后一根钉子**。
Losing their biggest client was the last nail in the coffin for the company.
失去最大客户成了公司的**最后一根钉子**。
The final exam failure was the last nail in the coffin for his graduation hopes.
最终考试没及格成了他毕业希望的**最后一根钉子**。
That new tax law was really the last nail in the coffin—so many shops shut down after it passed.
那项新税法真是**最后一根钉子**，许多商店通过后都关门了。
After months of bad press, the scandal was the last nail in the coffin for the politician's career.
经历数月负面新闻后，丑闻成了这位政客事业的**最后一根钉子**。
We tried to fix the car so many times, but that engine failure was the last nail in the coffin.
我们试了很多次修车，但发动机坏了就是**最后一根钉子**。