"doornail" in Chinese (Simplified)
门钉
Definition
门钉是一种用来加固或装饰木门的大型老式钉子。这个词最著名于‘dead as a doornail’这个表达，意思是彻底死了或完全失效。
Usage Notes (Chinese (Simplified))
'Doornail' 这个词基本只用于习语 'dead as a doornail'（彻底死了）。实际交流中很少说这个物件，多见于文学或历史中。
Examples
The old door has a big doornail in the center.
那扇旧门中央有一颗大大的**门钉**。
A carpenter used a strong doornail to fix the wooden door.
木匠用一个结实的**门钉**修好木门。
The blacksmith made a new doornail for the gate.
铁匠为大门打了一个新的**门钉**。
He’s dead as a doornail—there’s no hope at all.
他彻底死了，像个**门钉**一样——一点希望都没有。
After years without repairs, this phone is as dead as a doornail.
手机多年没修，如今已经彻底坏了，跟个**门钉**一样。
The phrase 'dead as a doornail' shows up in a lot of old books and movies.
短语 'dead as a **门钉**' 在许多老书和电影中都会出现。