N a piece of skin torn away from, but still attached to, the base or side of a fingernail 手指头的倒拉刺
It was my first film, and I see every mistake, every hang-nail in the whole picture, but I still appreciate it as a piece of story telling.
这是我的第一部电影，我能看出整个画面中的每一个错误和每一处小瑕疵，但我仍然欣赏它叙事的方式。
It's possible to hang a nail from a magnet and then use that nail to pick up another nail.
把一颗钉子挂在一个磁体上再用这颗钉子去吸起另一颗钉子是可能的。
He ran a nail into the wall to hang his painting.
他在墙上钉了一个钉子挂上他的绘画。
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